| Toshio Kayama | |
| Native Name Lang: | ja |
| Office: | Mayor of Sagamihara |
| Term Start: | 22 April 2007 |
| Term End: | 22 April 2019 |
| Predecessor: | Isao Ogawa |
| Successor: | Kentaro Motomura |
| Birth Date: | 18 February 1945 |
| Birth Place: | Wakō, Saitama, Japan |
| Party: | Independent |
| Alma Mater: | Tokyo Keizai University |
| Website: | Official website |
is a Japanese politician and the former mayor of Sagamihara a designated city in Kanagawa Prefecture, Japan. He was first elected in 2007.[1] He was reelected in 2011[2] and 2015[3] but lost his bid for a fourth term in 2019 to Kentaro Motomura.[4]