Michael Westphal (19 February 1965 – 20 June 1991) was a male tennis player from West Germany.
Westphal participated for his native country in the 1984 Summer Olympics, making it as far as the quarter-finals. The right-hander reached his highest ATP singles ranking of World No. 49 in March 1986.
Westphal died of complications from AIDS on 20 June 1991, aged 26.