Ōtsuki may refer to:
*
Ōtsuki, Yamanashi, a city in Yamanashi Prefecture, Japan
*
Ōtsuki Station, a railway station in Ōtsuki, Yamanashi, Japan
*
Ōtsuki, Kōchi, a town in Hata District, Kōchi Prefecture, Japan
*
Ōtsuki (surname), a Japanese surname
{{disambiguation, geo