Girl names starting with O
41 girl names starting with O were given in 2025, most popular first, with the number of baby girls. Olivia leads with 13,544.
- Olivia 13,544
- Oaklynn 1,964
- Oakley 1,933
- Olive 1,597
- Ophelia 1,183
- Octavia 982
- Opal 740
- Oaklee 565
- Oaklyn 456
- Oakleigh 423
- Odette 303
- Odessa 193
- Oriana 113
- Ofelia 87
- Olympia 84
- Orla 70
- Oona 62
- Ottilie 57
- Odelia 56
- Oaklie 54
- Orianna 53
- Olga 50
- Olyvia 48
- Oceana 43
- Ora 40
- October 40
- Ohana 40
- Odalys 39
- Oumou 35
- Ona 21
- Ocie 20
- Otilia 18
- Oliva 16
- Odilia 16
- Oksana 15
- Ola 13
- Oralia 12
- Oluwadarasimi 12
- Odalis 11
- Onalee 8
- Ozella 7
Older girl names starting with O
Not given to 5 or more girls in 2025, sorted by how many babies have had the name since 1880.