91 Unisex Names That Start With O (With Meanings and Popularity)

91 Unisex Names That Start With O (With Meanings and Popularity)

Unisex names that start with O are flying high in the style stakes right now, with other O-starting choices like Oliver and Olivia, Owen and Odin at an all-time high.

Two up-and-coming unisex O names, Oakley and Ocean, rank among the most popular unisex names to achieve an almost-equal gender split, making either one an awesome androgynous choice.

Here, our full selection of unisex names that start with O, ordered by their current popularity on Nameberry. Each name is used more often for the gender indicated by its heart.

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Unisex Names

Baby Names A-Z

  1. Owen
    • Origin:

      Welsh
    • Meaning:

      "young warrior; well-born"
  2. Orion
    • Origin:

      Greek
    • Meaning:

      "boundary, limit"
  3. Oberon
    • Origin:

      Variation of Auberon
    • Meaning:

      "noble, bearlike"
  4. Onyx
    • Origin:

      Word name
    • Meaning:

      "gem stone; claw, nail"
  5. Oakley
    • Origin:

      English
    • Meaning:

      "oak wood or clearing"
  6. Ozzy
    • Origin:

      Pet form of Oswald, Osborn, Osmond or Oscar, English
    • Meaning:

      "divine; deer"
  7. Ocean
    • Origin:

      English, nature name
    • Meaning:

      "ocean"
  8. Oracle
    • Origin:

      English word name
    • Meaning:

      "insight, wise council"
  9. Ori
    • Origin:

      Hebrew
    • Meaning:

      "my light"
  10. Odysseus
    • Origin:

      Greek mythology name
    • Meaning:

      "wrathful"
  11. Oak
    • Origin:

      English tree name
    • Meaning:

      "tree from the genus Quercus"
  12. Oakley
    • Origin:

      English
    • Meaning:

      "oak wood or clearing"
  13. Odie
    • Origin:

      Diminutive of Odell, Otis; English, German
    • Meaning:

      "of the valley; wealthy"
  14. Ollie
    • Origin:

      Diminutive of Oliver, Latin
    • Meaning:

      "olive tree"
  15. Onyx
    • Origin:

      Word name
    • Meaning:

      "gem stone; claw, nail"
  16. October
    • Origin:

      English word name
    • Meaning:

      "month name"
  17. Oleander
    • Origin:

      Botanical name
  18. Ocean
    • Origin:

      English, nature name
  19. Ozzie
    • Origin:

      Diminutive of Osmond, Oswald, or Oscar
    • Meaning:

      "divine; deer"
  20. Ollie
    • Origin:

      Short form of Olive or Olivia, Latin
    • Meaning:

      "olive tree"