Seiichi Kanai (金井 清一, Kanai Seiichi, 24 July 1940 − 30 November 2022[1]) was a Japanese professional golfer.

Kanai was born in Niigata.

He won 11 tournaments on the Japan Golf Tour.

*Note: Tournament shortened to 54 holes due to weather.

PGA of Japan Tour playoff record (4–2) this list is probably incomplete