Sugai
Sugai is a Japanese surname. Notable people with the surname include:
- Eri Sugai, Japanese singer, composer and arranger
- Hitoshi Sugai, Japanese judoka
- Ichiro Sugai, Japanese actor
- Kin Sugai, Japanese actress
- Kumi Sugai, Japanese painter and printmaker
- Madoka Sugai, Japanese ballet dancer
- Naoki Sugai, Japanese footballer
- Noboru Sugai, Japanese golfer
- Takekichi Sugai, Japanese dermatologist
- Takuya Sugai, Japanese footballer
- Tatsuya Sugai, Japanese shogi player
- Yohei Sugai, Japanese long jumper
- Yūka Sugai, Japanese idol singer
