Patrick Weissinger (born 2 April 1973) is a German male water polo player and coach.
He was a member of the Germany men's national water polo team, playing as a centre back.
He was a part of the team at the 2004 Summer Olympics as the team captain.
On club level he played for Wasserfreunde Spandau 04 in Germany.
After his career he became a water polo coach, and was the coach of the German national team at the 2016 Men's European Water Polo Championship squads.