537 Boy Names That Start With O (with Meanings and Popularity)

  1. Olek
    • Orenthal
      • Origin:

        unknown
    • Oslac
      • Origin:

        Anglo-Saxon
      • Meaning:

        "offering to god"
    • Ottomar
      • Osgood
        • Origin:

          Teutonic
        • Meaning:

          "divine creator"
      • October
        • Origin:

          English
        • Meaning:

          "month name"
      • Oilibhear
        • Oshen
          • Origin:

            Modern invention
          • Meaning:

            "Ocean"
        • Orso
          • Origin:

            Italian form of Urs, Latin
          • Meaning:

            "bear"
        • Owain
          • Origin:

            Welsh variation of Eugene
          • Meaning:

            "born of sheep"
        • Ohtani
          • Origin:

            Japanese
          • Meaning:

            "big valley"
        • Orwell
          • Origin:

            English surname
          • Meaning:

            "the branch of the river"
        • Oswell
          • Ozai
            • Origin:

              Fictional name
          • Otter
            • Origin:

              English, word name
          • Orange
            • Origin:

              Fruit and color name
          • Ode
            • Origin:

              Word name or medieval English form of Otto, German
            • Meaning:

              "a lyric poem; wealthy"
          • Odyssey
            • Origin:

              Greek
            • Meaning:

              "story of Odysseus"
          • Olly
            • Osiel