O
- (Miura Shi) Okunawa
- (Miura Shi) Onnazutsumi
- (Yokosuka Shi) Ogawachō
- (Kamakura Shi) Okamoto
- (Yokohama Shi) Ozuki
- (Yokohama Shi) Okamura
- (Yokohama Shi) Onoechō
- (Yokohama Shi) Oimatsuchō
- (Yokohama Shi) Okano
- (Yokohama Shi) Okazawachō
- (Yokohama Shi) Onochō
- (Yokohama Shi) Odakachō
- (Yokohama Shi) Okatsuchō
- (Yokosuka Shi) Oppamachō
Ō
- (Miura Shi) Ōnoriya
- (Miura Shi) Ōsaki
- (Miura Shi) Ōbatake
- (Miura Shi) Ōhara
- (Yokosuka Shi) Ōdakichō
- (Miura-gun) Ōsawa
- (Yokohama Shi) Ō’oka
- (Yokohama Shi) Ōkubo
- (Yokohama Shi) Ōtorichō
- (Yokohama Shi) Ōkawa
- (Yokohama Shi) Ōshibadai
- (Yokohama Shi) Ōgichō
- (Yokohama Shi) Ōguchi-nakamachi
- (Yokohama Shi) Ōguchidōri
- (Yokohama Shi) Ōikechō
- (Yokohama Shi) Ōnochō