Ō
- (Isa Shi) Ōguchi-motomachi
- (Isa Shi) Ōguchi-kanmachi
- (Isa Shi) Ōkuchi-ōta
- (Isa Shi) Ōkuchi-kinouji
- (Isa Shi) Ōkuchi-harada
- (Isa Shi) Ōkuchi-aoki
- (Isa Shi) Ōkuchi-hiraizumi
- (Isa Shi) Ōkuchi-torisu
- (Isa Shi) Ōkuchi-ōshima
- (Isa Shi) Ōkuchi-kanahada
- (Isa Shi) Ōkuchi-shimotono
- (Isa Shi) Ōkuchi-shiraki
- (Isa Shi) Ōkuchi-tashiro
- (Isa Shi) Ōkuchi-kawaiwaze
- (Isa Shi) Ōsumi
- (Isa Shi) Ōkuchi-sogi
- (Isa Shi) Ōkuchi-harimochi
- (Isa Shi) Ōyamaguchi
- (Isa Shi) Ōkuchi-memaru
- (Isa Shi) Ōkuchi-yamano
- (Satsumasendai Shi) Ōzu
- (Kimotsuki Gun) Ōwa Jima
- (Minamisatsuma Shi) Ōura
- (Kimotsuki Gun) Ōura
- (Ōshima-gun) Ōdana