Girl Names Starting With O — Top 50 of 2025

Top girl names starting with O in 2025, with overall SSA rank and birth count
Rank	Name	Babies
#1	Olivia	13,544
#153	Oaklynn	1,964
#156	Oakley	1,933
#197	Olive	1,597
#264	Ophelia	1,183
#308	Octavia	982
#423	Opal	740
#535	Oaklee	565
#637	Oaklyn	456
#668	Oakleigh	423
#787	Ocean	345
#883	Odette	303
#1,197	Odessa	193
#1,410	Onyx	155
#1,791	Oriana	113
#2,148	Ofelia	87
#2,210	Olympia	84
#2,294	Ollie	80
#2,532	Orla	70
#2,533	Ozzy	70
#2,768	Oona	62
#2,951	Ottilie	57
#2,985	Odelia	56
#3,063	Oaklie	54
#3,094	Orianna	53
#3,201	Olga	50
#3,282	Oakland	48
#3,283	Olyvia	48
#3,562	Oceana	43
#3,694	Ozzie	41
#3,758	October	40
#3,759	Ohana	40
#3,760	Ora	40
#3,821	Odalys	39
#4,146	Oumou	35
#4,328	Olani	33
#4,329	Owen	33
#4,525	Ori	31
#4,723	Orly	29
#4,958	Odyssey	27
#5,063	Olivette	26
#5,196	Oriyah	25
#5,359	Oliver	24
#5,514	Oaklynne	23
#5,515	Oasis	23
#5,516	Olenna	23
#5,665	Orli	22
#5,866	Olena	21
#5,867	Oliviana	21
#5,868	Ona	21

Ranks are overall positions among all 2025 girl names, so gaps between rows are real. For a random shortlist, spin O girl names in the generator, or scan the full top 100 girl names.

Other letters

Boy names for this letter: boy names starting with O.

Source: every name, rank, and count on this page comes from the U.S. Social Security Administration's national baby-names dataset (2025 data, from Social Security card applications). It is public-domain U.S. government data; names given fewer than 5 times in a year are excluded by the SSA, spelling variants are counted separately, and the data covers U.S. births only. Full caveats on the methodology page.