Sugiyama is a Japanese surname. Notable people with the surname include:
- Ai Sugiyama, Japanese professional tennis player
- Hajime Sugiyama, World War II field marshal
- Kazuko Sugiyama, Japanese voice actress
- Kento Sugiyama, former Japanese baseball player
- Kira Sugiyama, Japanese photographer
- Koichi Sugiyama, Japanese composer and council member of JASRAC
- Kota Sugiyama, Japanese football player
- Marcos Sugiyama, Brazilian-Japanese volleyball player
- Noriaki Sugiyama, Japanese voice actor
- Ryuichi Sugiyama, former Japanese football player
- Sachiko Sugiyama, Japanese volleyball player
- Shojiro Sugiyama, Shotokan Karate Instructor
- Yasushi Sugiyama, Japanese watercolor painter
- Sugiyama Gengo, another name for Japanese samurai Ishida Shigenari
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