Ōishi
Ōishi is the family name of the following people:
- Asuki Ōishi (* 1991), Japanese football player
- Atsuto Ōishi (* 1976), Japanese football player
- Hisako Ōishi (1936–2012), Japanese politician (DSP, DPJ)
- Masamitsu Ōishi (* 1945), Japanese politician
- Nobuyuki Ōishi (* 1939), Japanese football player
- Nobuyuki Ōishi (soccer player, 1974) (born 1974), Japanese soccer player
- Ryō Ōishi (* 1977), Japanese football player
- Ryūhei Ōishi (* 1997), Japanese football player
- Satoshi Ōishi (* 1972), Japanese football player
- Takao Ōishi (* 1964), Japanese football player
- Takaya Ōishi (* 1972), Japanese football player
- Tetsuya Ōishi (* 1979), Japanese football player
- Tsugutoshi Ōishi (* 1990), Japanese football player
