Mitsuhiro Sato (佐藤 光浩, Satō Mitsuhiro, born 8 January 1980 in Aizuwakamatsu, Fukushima) is a retired Japanese sprinter who specializes in the 400 metres. He finished fourth in 4 × 400 m relay at the 2004 Olympic Games, together with teammates Yuki Yamaguchi, Jun Osakada and Tomohiro Ito. Sato also competed at the World Championships in 2003, 2005 and 2007. His personal best time is 45.50 seconds, achieved in June 2003 in Yokohama.