Fruits beginning with “O” encompass a fascinating range of flavors, textures, and nutritional benefits from across the globe. They include exotic options like the hardy Olallieberry, popular citrus favorites such as the Orange, and less-known yet delicious varieties like the Oroblanco Grapefruit. Many of these fruits are celebrated not only for their taste but also for their contributions to health, offering vitamins, antioxidants, and unique culinary possibilities. This list brings together 50 diverse, edible fruits starting with “O,” reflecting the variety and richness these fruits add to diets worldwide.
“A quick reminder before trying a new fruit: Some fruits may not be safe to eat raw, and others could be mistaken for inedible or harmful varieties. Do proper research before consuming unfamiliar fruits to ensure safety.”
Fruits that begin with the letter O
1. Olallieberry
Native to the U.S. West Coast, the Olallieberry is a blackberry-raspberry hybrid with a sweet and tart flavor. In season from late spring to early summer, it’s packed with antioxidants, fiber, and vitamin C, promoting heart health and immunity. It’s often used in jams, pies, and syrups. The scientific name is Rubus ursinus × Rubus idaeus.
2. Ogeechee Lime
Originating in the southeastern United States, the Ogeechee Lime is a small, tangy fruit with a citrus-like taste. It’s in season in late summer. High in vitamin C, it supports immune health and skin vitality. It’s used in jellies and preserves. The scientific name is Nyssa ogeche.
3. Okinawan Lime
Found primarily in Japan, the Okinawan Lime has a mildly tart, refreshing taste. It’s harvested in late summer and early fall. Rich in vitamin C and antioxidants, it supports immune health. This lime is popular in marinades, beverages, and sauces. The scientific name is Citrus depressa.
4. Olho de Boi Berry
Native to Brazil, Olho de Boi Berry is a sweet fruit with a unique musky flavor. Its season peaks in summer. Rich in vitamins and antioxidants, it supports heart health and immunity. It’s enjoyed fresh or used in local Brazilian desserts. The scientific name is Eugenia stipitata.
5. Onge Orange
Onge Orange, originating from Southeast Asia, is a sweet and juicy citrus fruit available in winter. It’s high in vitamin C, which boosts immunity and skin health. Onge Oranges are popular for fresh eating and juicing. The scientific name is Citrus sinensis.
6. Opal Apple
The Opal Apple, from Europe, has a crisp texture and a balanced sweet-tart flavor. In season in fall and winter, it’s a good source of fiber and vitamin C. Its unique quality is that it resists browning, making it ideal for salads and snacks. The scientific name is Malus domestica.
7. Okanagan Cherry
This cherry variety hails from Canada’s Okanagan Valley and has a sweet, juicy taste. Available in mid-summer, it’s rich in antioxidants and vitamin C, supporting heart health. It’s perfect for pies, preserves, and snacking. The scientific name is Prunus avium.
8. Okinawan Mango
The Okinawan Mango, grown in Japan, is exceptionally sweet and aromatic. In season during summer, it’s loaded with vitamin A and C for skin and immune health. It’s popular fresh, in smoothies, or as a dessert topping. The scientific name is Mangifera indica.
9. Orange
A global favorite, the Orange is sweet, juicy, and refreshing, in season primarily during winter. Known for its high vitamin C content, it aids immune function and skin health. Oranges are enjoyed fresh, juiced, or in cooking. The scientific name is Citrus sinensis.
10. Oroblanco Grapefruit
This hybrid fruit from California is a sweet, mild grapefruit with a hint of tartness, in season from winter to spring. Rich in vitamin C, fiber, and antioxidants, it supports heart health. Oroblanco is often enjoyed fresh or in salads. The scientific name is Citrus grandis × Citrus paradisi.
11. Oriental Pear
The Oriental Pear, or Asian pear, is native to East Asia and is crisp, juicy, and subtly sweet. Available in late summer to fall, it’s high in fiber, aiding digestion. It’s popular fresh or in Asian-inspired salads. The scientific name is Pyrus pyrifolia.
12. Osteen Mango
Originating in Florida, the Osteen Mango is a rich, sweet mango with a hint of citrus. It’s in season in summer and loaded with vitamin C, aiding immune and skin health. It’s great fresh, in tropical salads, or smoothies. The scientific name is Mangifera indica.
13. Oro Nero Orange
A newer citrus hybrid, the Oro Nero Orange, originates from Italy and is dark-fleshed with a tangy taste. In season in winter, it’s packed with antioxidants, promoting heart health. It’s often enjoyed fresh or in juices. The scientific name is Citrus sinensis.
14. Orangeberry
Also known as Muntingia calabura, the Orangeberry is native to tropical regions of the Americas. It’s small, sweet, and mildly tangy, available year-round. Rich in antioxidants, it supports immune health. It’s often eaten fresh or used in local desserts.
15. Orangelo
A cross between an orange and a pomelo, the Orangelo has a sweet, tangy flavor, originating in the Caribbean. In season during winter, it’s high in vitamin C and antioxidants. It’s great for fresh eating, juicing, or in desserts. The scientific name is Citrus paradisi × Citrus sinensis.
16. Osaka Blueberry
This Japanese variety has a sweet, slightly tangy taste, perfect for fresh eating or in jams. Its season runs through summer, and it’s rich in antioxidants, supporting brain health. The scientific name is Vaccinium corymbosum.
17. Oca (South American Yam Berry)
Native to the Andes, the Oca has a tangy, starchy taste and is available in late fall. High in vitamin C and fiber, it promotes immune health and digestion. Oca is often cooked or used in Andean dishes. The scientific name is Oxalis tuberosa.
18. Orinoco Banana
The Orinoco Banana originates from South America and has a creamy, mild flavor, available year-round. Rich in potassium, it supports heart health. It’s ideal for baking or fresh eating. The scientific name is Musa spp.
19. Olivella Plum
Native to the Mediterranean, the Olivella Plum is small, sweet, and aromatic, available in late summer. It’s rich in vitamins A and C, promoting skin and immune health. Olivella plums are enjoyed fresh or in desserts. The scientific name is Prunus domestica.
20. Ozark Strawberry
The Ozark Strawberry, from the U.S., has a bright, sweet flavor, in season during spring. High in vitamin C, it boosts immunity and skin health. Perfect for fresh eating, in jams, or in desserts. The scientific name is Fragaria × ananassa.
21. Ozark Plum
Native to North America, the Ozark Plum is sweet and tart, in season in late summer. It’s rich in antioxidants and vitamin C, supporting heart health. Ozark plums are great in jams, jellies, and desserts. The scientific name is Prunus americana.
22. Oregon Plum
From the Pacific Northwest, the Oregon Plum is small, tangy, and sweet, available in late summer. High in fiber and vitamins, it supports digestive health. Ideal for fresh eating or in preserves. The scientific name is Prunus subcordata.
23. Owyhee Berry
Native to the U.S. Northwest, the Owyhee Berry is sweet and tart, with a peak season in early summer. High in antioxidants, it supports heart health. It’s often used in jams, pies, and desserts. The scientific name is Rubus spp.
24. Orondo Cherry
The Orondo Cherry, from Washington state, is juicy, sweet, and crisp, available in summer. Packed with vitamins and antioxidants, it promotes heart health. It’s ideal for fresh eating or in baking. The scientific name is Prunus avium.
25. Oishi Pear
The Oishi Pear, originating from Japan, has a crisp, juicy texture and a mildly sweet flavor. It’s harvested in late summer and fall, and it’s rich in dietary fiber and vitamin C, supporting digestion and immunity. This pear is perfect for fresh eating, salads, and desserts. The scientific name is Pyrus pyrifolia.
26. Oasis Melon
Grown in arid regions, the Oasis Melon is exceptionally sweet and juicy, with a taste reminiscent of honeydew. In season during summer, it’s high in vitamins A and C, which promote skin health and immunity. It’s often enjoyed fresh, in fruit salads, or blended into refreshing drinks. The scientific name is Cucumis melo.
27. Oxnard Strawberry
From the Oxnard region in California, this strawberry variety is sweet, juicy, and rich in flavor. In season during spring and summer, it provides a high dose of vitamin C and antioxidants for immunity and skin health. It’s ideal for fresh eating, in jams, or baked goods. The scientific name is Fragaria × ananassa.
28. Ozark Blueberry
Native to the Ozark region of the U.S., this blueberry is sweet with a hint of tartness, in season from mid-summer. It’s packed with antioxidants and fiber, promoting heart health and digestion. It’s popular in smoothies, pies, and fresh eating. The scientific name is Vaccinium corymbosum.
29. Omero Plum
This variety of plum hails from the Mediterranean and has a sweet, juicy flesh with a mild tang. Harvested in late summer, it’s rich in vitamins A and C for skin and immune health. It’s delicious fresh, in jams, or baked goods. The scientific name is Prunus domestica.
30. Okinawa Pineapple
The Okinawa Pineapple is grown in Japan, featuring a vibrant sweetness with a tropical aroma. It’s harvested in summer and is loaded with vitamin C and manganese, supporting immunity and bone health. It’s enjoyed fresh, in juices, or tropical desserts. The scientific name is Ananas comosus.
31. Oakleaf Melon
Originating in Asia, the Oakleaf Melon has a unique, mild sweetness and refreshing texture. In season during summer, it’s rich in vitamins A and C, which support eye and skin health. It’s enjoyed fresh, in salads, or chilled in desserts. The scientific name is Cucumis melo.
32. Omaha Apple
This apple variety from the U.S. Midwest is sweet, crisp, and aromatic. Available in fall, it’s rich in dietary fiber and vitamin C, promoting digestive and immune health. It’s ideal for fresh eating, baking, or in cider. The scientific name is Malus domestica.
33. Oklahoma Wild Cherry
This cherry variety is native to Oklahoma, with a sweet-tart flavor that peaks in early summer. It’s high in antioxidants and vitamin C, supporting heart and skin health. Often used in jams, pies, or enjoyed fresh. The scientific name is Prunus avium.
34. Owyhee Apricot
From the Owyhee Mountains, this apricot is sweet and juicy with a hint of tartness, in season during summer. It’s high in vitamins A and C for skin and immune health. Ideal for fresh eating, in preserves, or in desserts. The scientific name is Prunus armeniaca.
35. Osaka Melon
This Japanese melon is exceptionally sweet and aromatic, available in summer. It’s high in vitamin C and antioxidants, supporting immune health. Often enjoyed fresh or in desserts. The scientific name is Cucumis melo.
36. Obion Blueberry
Native to the eastern U.S., the Obion Blueberry is sweet and tangy, in season during mid-summer. Packed with antioxidants and fiber, it promotes heart health and digestion. It’s great in smoothies, baked goods, or fresh. The scientific name is Vaccinium corymbosum.
37. Oro Apple
Originating in the U.S., the Oro Apple has a balanced sweet-tart flavor and a crisp texture, available in fall. It’s rich in fiber and vitamin C for digestive and immune support. Ideal for fresh eating, baking, or cider. The scientific name is Malus domestica.
38. Osaka Plum
This plum from Japan is juicy, sweet, and mildly tart, with peak availability in late summer. High in vitamins A and C, it supports skin and immune health. Osaka plums are enjoyed fresh, in jams, or baked. The scientific name is Prunus salicina.
39. Okanawa Papaya
The Okinawa Papaya, grown in Japan, has a mild, sweet taste and soft texture, in season in summer. It’s rich in vitamins A and C, which aid skin and immune health. This papaya is enjoyed fresh, in smoothies, or desserts. The scientific name is Carica papaya.
40. Omega Cherry
Originating in North America, the Omega Cherry has a rich, sweet flavor, peaking in mid-summer. It’s packed with antioxidants and vitamin C, supporting heart and immune health. Ideal for fresh eating or in pies. The scientific name is Prunus avium.
41. Olympia Blueberry
Native to the Pacific Northwest, the Olympia Blueberry is sweet with a slightly tangy note, in season in summer. Rich in antioxidants and fiber, it supports heart and brain health. It’s used in smoothies, baking, and as a fresh snack. The scientific name is Vaccinium corymbosum.
42. Ozette Plum
This plum variety comes from North America and has a sweet, juicy taste with a hint of tartness. Available in late summer, it’s high in vitamins A and C for immune support and skin health. Great for fresh eating, in preserves, or desserts. The scientific name is Prunus americana.
43. Orange Mandarin
A common citrus originating from China, the Orange Mandarin is sweet, juicy, and aromatic. In season in winter, it’s high in vitamin C, supporting immunity and skin health. Enjoyed fresh or as juice. The scientific name is Citrus reticulata.
44. Okinawan Guava
This guava from Okinawa, Japan, has a mildly sweet, aromatic flavor. In season during summer, it’s high in vitamin C and fiber, supporting digestive and immune health. Perfect for fresh eating, smoothies, or desserts. The scientific name is Psidium guajava.
45. Oro Grape
The Oro Grape, from Spain, has a sweet, juicy taste and a slight tang, available in late summer. Packed with antioxidants, it promotes heart health. These grapes are enjoyed fresh, in salads, or made into wine. The scientific name is Vitis vinifera.
46. Orangelo Melon
A hybrid melon with origins in the U.S., the Orangelo Melon has a juicy, sweet flavor with a hint of citrus, in season in summer. It’s rich in vitamins A and C, promoting skin and eye health. Often enjoyed fresh, in salads, or smoothies. The scientific name is Cucumis melo.
47. Oakridge Blueberry
Native to North America, Oakridge Blueberries are sweet with a slight tartness, available in mid-summer. They’re high in antioxidants and fiber, supporting heart and brain health. Great for fresh eating, smoothies, or baking. The scientific name is Vaccinium corymbosum.
48. Odessa Plum
This plum, originating in Eastern Europe, has a sweet and juicy taste, in season during summer. It’s rich in vitamin C and antioxidants, supporting immunity and skin health. Enjoyed fresh, in jams, or baked goods. The scientific name is Prunus domestica.
49. Oman Lemon
The Oman Lemon, native to the Middle East, has a sharp, tangy flavor, available year-round. High in vitamin C, it boosts immunity and aids digestion. It’s often used in beverages, marinades, or as a garnish. The scientific name is Citrus limon.
50. Orotava Apple
This apple from Spain’s Orotava Valley is crisp and sweet, available in fall. Rich in fiber and vitamin C, it supports digestion and immunity. Ideal for fresh eating, baking, or in cider. The scientific name is Malus domestic.
