Friedrich "Fritz" Riess or Rieß (11 July 1922 in Nuremberg – 15 May 1991 in Samedan, Switzerland) was a racing driver from Germany. He participated in one Formula One World Championship Grand Prix, on 3 August 1952. He finished seventh, scoring no championship points as only the first five finishers scored points at that time.

Riess also won the 1952 24 Hours of Le Mans for Mercedes-Benz, sharing the drive with Hermann Lang.