NewbornNames.net

Boy Names Starting With O

Start with O and the list for boys is headed by Oliver: 14,939 babies in 2025. 2 of them rank inside the year's overall top 100.

Rank Name Babies
#3 Oliver 14,939
#31 Owen 7,190
#223 Oscar 1,620
#260 Omar 1,333
#277 Otto 1,241
#334 Orion 1,012
#365 Onyx 881
#454 Oakley 688
#502 Odin 604
#549 Ozzy 548
#652 Otis 422
#687 Omari 397
#708 Ozias 381
#720 Ocean 375
#873 Orlando 275
#997 Oziel 229
#1,058 Ollie 207
#1,077 Osiris 200
#1,157 Osman 181
#1,184 Oren 174
#1,248 Oakland 160
#1,278 Octavio 154
#1,408 Osvaldo 130
#1,433 Orson 126
#1,454 Osiel 123
#1,455 Ozzie 123
#1,630 Obadiah 104
#1,750 Oskar 93
#1,763 Orhan 92
#1,833 Oziah 87
#1,849 Olin 86
#1,859 Orin 85
#1,969 Oslo 78
#2,002 Ori 76
#2,017 Oaklee 75
#2,033 Oden 74
#2,072 Obed 72
#2,073 Octavius 72
#2,103 Omer 70
#2,161 Oswald 67
#2,176 Olsen 66
#2,177 Om 66
#2,277 Oaklen 62
#2,278 Orrin 62
#2,344 Oak 59
#2,345 Osmar 59
#2,438 Oakes 56
#2,507 Oshea 54
#2,508 Osiah 54
#2,559 Olivier 52

Ranks are each name's overall position among all 2025 boy names, so the gaps between rows are real — the names in between simply start with other letters. Want a random shortlist instead? Spin O boy names in the generator, or browse the full top 100 boy names.

Other letters

Girl names for this letter: girl 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.