Henning Harnisch (born 15 April 1968) is a retired German professional basketball player.

From 1990 to 1998, Harnisch won 9 German Basketball Championships in a row (7 with Leverkusen and 2 with Berlin), a record that has not yet been broken.

Because of his spectacular slam dunks, Harnisch was known throughout his playing career, as the Flying Henning.

As a member of the senior German national basketball team, Harnisch competed at the 1992 Summer Olympics, four EuroBaskets, and one FIBA World Cup.

He was a member of the team that won Germany's only gold medal, at the 1993 EuroBasket.