Friedrich Geiger (24 November 1907 – 13 June 1996) was a German automobile designer.

His designs encompass the pre-war Mercedes-Benz 540K and post-war Mercedes-Benz 300SL, and are among the most highly regarded in automotive history.

He also designed the iconic 300SL gullwing coupé, named one of the ten greatest Mercedes ever built and one of the 25 greatest cars of the 20th century.