Sugiyama, (writen: 杉山 lit. "Japanese cedar, mountain"), is a Japanese surname. Notable people with the surname include:
Ai Sugiyama, Japanese professional tennis player
Sugiyama Gengo, another name for Japanese samurai Ishida Shigenari
Hajime Sugiyama, Japanese World War II field marshal
Kazuko Sugiyama, Japanese voice actress
Kento Sugiyama, Japanese baseball player
Kira Sugiyama, Japanese photographer
Koichi Sugiyama, Japanese composer and council member of JASRAC
Kota Sugiyama, Japanese football player
Kozo Sugiyama, Japanese computer scientist and graph drawing researcher, notable for his Layered graph drawing "Sugiyama-style graph drawing" work
Mao Sugiyama, Japanese artist and asexual activist known for becoming a nullo
Marcos Sugiyama, Brazilian-Japanese volleyball player
Noriaki Sugiyama, Japanese voice actor
Ryuichi Sugiyama, Japanese football player
Sachiko Sugiyama, Japanese volleyball player
Shojiro Sugiyama, Shotokan karate instructor
Yasushi Sugiyama, Japanese watercolor painter
