Hisayoshi Sato (佐藤 久佳, Satō Hisayoshi; born January 12, 1987, in Tomakomai, Hokkaidō) is a Japanese swimmer. He won a bronze medal in the men's 4 × 100 metre medley relay at the 2008 Summer Olympics.
Personal bests
In long course:
50m freestyle: 22.63 (September 5, 2008)
100m freestyle: 48.91 (September 9, 2007)
200m freestyle: 1:48.77 (September 9, 2007)