Suganuma

Suganuma (菅沼) is a Japanese surname. Notable people with the surname include:


 * Eiji Suganuma (菅沼 栄治), male Japanese animation director
 * Hisayoshi Suganuma (菅沼 久義), Japanese male voice actor
 * Michiko Suganuma (菅沼 三千子), Kamakura-bori artist from Japan
 * Minoru Suganuma (菅沼 実), Japanese football player
 * Morito Suganuma (菅沼 守人), Japanese aikido teacher holding the rank of 8th dan in the Aikikai
 * Suganuma Sadamichi (菅沼 貞道), samurai commander in Japan's Sengoku period
 * Suganuma Sadamitsu (菅沼 定盈), samurai commander of the Suganuma clan during Japan's Sengoku period