Ōsako

Ōsako, Osako, Oosako, Ousako or Ohsako (written: 大迫) is a Japanese surname. Notable people with the surname include:

• , Japanese judoka
• , Japanese footballer
• , Japanese footballer
• , Imperial Japanese Army general
• , Imperial Japanese Army general
• , Japanese long-distance runner
• , Japanese golfer
• , Japanese footballer