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Boys' Names That Start With O

Boys' Names that start with the letter O, from the Categorico word game. Here are 15 examples, with many more inside the app. Categorico is a categories word game you can play solo or against friends online.

Word list updated July 26, 2026

15 boys' names starting with O

  1. Obadiah
  2. Obed
  3. Oberon
  4. Octavio
  5. Octavius
  6. Odell
  7. Odin
  8. Ofer
  9. Ogden
  10. Olaf
  11. Ole
  12. Oleg
  13. Olin
  14. Oliver
  15. Olivier

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