Wojciech "Wojtek" Kowalski (born 10 October 1967) is a Polish former tennis player.

Kowalski represented his native country as a qualifier at the 1988 Summer Olympics in Seoul.

There he was defeated in the first round by fellow qualifier Tony Mmoh from Nigeria.

He played mostly on the Challenger tour level and reached four singles finals and winning one title.

[1] The right-hander reached his highest singles ATP-ranking on 25 July 1988, when he became the number 109 of the world.