Names That Start With O

Girl Names That Start With O

Looking for names that start with O for a baby girl? This page lists more than one thousand options (over 1,000 baby names that start with O), ranging from classic favorites to rarer spellings. If you also want to broaden the theme beyond names, you may like our lists of adjectives that start with O to match a vibe or personality, or nouns that start with O for inspired word pairings.

Browse the table below for girl names starting with O, then scroll to the boy list if you want a complete set of ideas.

Boy Names That Start With O

If you’re also searching for names that start with O for a boy, this section shares more than one thousand options (as with the girl list) so you can compare styles, spellings, and sounds. For more inspiration in a similar format, explore Names That Start With A or Names That Start With E to widen your shortlist.

Want to keep exploring by letter? If you’re considering a broader language theme, you can also browse verbs that start with O for character names that feel action-oriented, or check names that start with N for a similar “name list” format with a different initial.

Quick tip for choosing a name

When comparing options from names that start with O, say the full name out loud and test common nicknames. Spelling variations (like double letters or diacritics) can affect how easily other people pronounce the name, so it helps to think about everyday use.