Philipp Marx (German pronunciation: [ˈfiːlɪp ˈmaʁks]; born 3 February 1982) is a German professional tennis player.

Marx competes on the ATP Challenger Tour and the ATP World Tour, both in singles and doubles.

He reached his highest ATP singles ranking, No.

300, on April 3, 2006, and his highest ATP doubles ranking, No.

53, on 27 September 2010.