Tsukasa Watanabe (Japanese: 渡辺司, born 16 February 1957) is a Japanese professional golfer.

He played on the Japan Golf Tour, winning twice, and earned over 780,000,000 ¥.

He played on the 1994 International Team in the Presidents Cup.

PGA of Japan Tour playoff record (0–3) Note: Watanabe only played in The Open Championship.

This biographical article relating to golf in Japan is a stub.