Sugiyama, (writen: 杉山 lit. "Japanese cedar, mountain"), is a Japanese surname. Notable people with the surname include:
Ai Sugiyama, Japanese professional tennis playerSugiyama Gengo, another name for Japanese samurai Ishida ShigenariHajime Sugiyama, Japanese World War II field marshalKazuko Sugiyama, Japanese voice actressKento Sugiyama, Japanese baseball playerKira Sugiyama, Japanese photographerKoichi Sugiyama, Japanese composer and council member of JASRACKota Sugiyama, Japanese football playerKozo Sugiyama, Japanese computer scientist and graph drawing researcher, notable for his Layered graph drawing "Sugiyama-style graph drawing" workMao Sugiyama, Japanese artist and asexual activist known for becoming a nulloMarcos Sugiyama, Brazilian-Japanese volleyball playerNoriaki Sugiyama, Japanese voice actorRyuichi Sugiyama, Japanese football playerSachiko Sugiyama, Japanese volleyball playerShojiro Sugiyama, Shotokan karate instructorYasushi Sugiyama, Japanese watercolor painter