Thomas Shimada (born February 10, 1975) is a retired professional tennis player who represented Japan.

He turned professional in 1993.

Shimada primarily played doubles.

Shimada has achieved a career-high singles ranking relevant as of March 23, 2007, of world No.

Also relevant of March 23, 2007, Shimada reached his career-high doubles ranking on September 24, 2001, when he became world No.