Patty Van Acker (born 21 October 1976) is a former tennis player from Belgium.
A right-handed player from Bruges, Van Acker turned professional at the age of 18.
She made her WTA Tour main-draw singles debut at the 1999 Internazionali di Palermo, as a lucky loser from the qualifiers. At the 2000 Antwerp Open, she featured as a wildcard in the main draw. In her career, she won eight singles titles and five doubles titles ITF Circuit. She reached a highest singles ranking of 146 in the world.
Van Acker now works as a tennis trainer at the Challenger Tennis Academy in Aartrijke.