Baby Boy Names That Start With O

Looking for baby boys names that start with O? Browse our complete list of boy names beginning with the letter O, ranked by all-time popularity based on Social Security Administration data.

Whether you're looking for classic boy names that start with O or unique options, you'll find hundreds of choices below with their total birth counts.

Filter by First Letter

All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Rank Name Total Births
601 Onasis 12
602 Oscor 12
603 Omiras 12
604 Ores 12
605 Olle 12
606 Ore 12
607 Ojany 11
608 Olus 11
609 Orhaan 11
610 Oby 11
611 Oluwatofunmi 11
612 Okan 11
613 Ontonio 11
614 Ozvaldo 11
615 Ozel 11
616 Osteen 11
617 Oluwadunsin 11
618 Oluwamayowa 11
619 Orphus 11
620 Odeh 11
621 Osaretin 11
622 Oladapo 11
623 Osbert 11
624 Oswyn 11
625 Ovey 11
626 Oram 10
627 Oshaye 10
628 Omead 10
629 Ousainou 10
630 Oen 10
631 Obaidullah 10
632 Oriyan 10
633 Olakunle 10
634 Osyrus 10
635 Olisaemeka 10
636 Onell 10
637 Obafemi 10
638 Ohtani 10
639 Oluwatoniloba 10
640 Omie 10
641 Odelle 10
642 Orea 10
643 Oguz 10
644 Olatunji 10
645 Ornie 10
646 Orrell 10
647 Oakie 10
648 Orrel 10
649 Ozian 8
650 Odia 7
651 Ohagi 7
652 Ordis 7
653 Ostell 7
654 Onslow 7
655 Omaurion 7
656 Olu 7
657 Orden 7
658 Orasio 7
659 Octabio 7
660 Olias 7
661 Oryen 7
662 Ortiz 7
663 Osaro 7
664 Onnix 7
665 Omiri 7
666 Oded 6
667 Odysseas 6
668 Olaniyan 6
669 Olif 6
670 Oluwateniola 6
671 Oliwer 6
672 Oliwier 6
673 Ondreaz 6
674 Odynn 6
675 Ohajee 6
676 Odarrius 6
677 Oaklon 6
678 Oladayo 6
679 Olympus 6
680 Ozriel 6
681 Odos 6
682 Obiora 6
683 Ozia 6
684 Olaoluwakitan 6
685 Orentha 6
686 Oluwatoba 6
687 Orrick 6
688 Oreofeoluwa 6
689 Oceanus 6
690 Osaiah 6
691 Olurotimi 6
692 Otello 6
693 Oluwadurotimi 6
694 Oussama 6
695 Orvo 6
696 Ortega 6
697 Osiyah 6
698 Ohani 6
699 Ohara 6
700 Ogechukwu 6