Nobuyuki Sato (?? ??, Sato Nobuyuki); born 8 August 1972 in Kariya, Aichi) is a former Japanese marathon runner.
After finishing second in the Fukuoka Marathon 1998 with his career best of 2:08:48, he won the bronze medal at the 1999 World Championships in Athletics.
At the Olympics 2000, he finished in 41st place.