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. 477 which he reached on November 3, 1997. Also relevant of March 23, 2007, Shimada reached his career-high doubles ranking on September 24, 2001, when he became world No. 40.