Walter Dießner (born 26 December 1954) is a retired German rower who had his best achievements in the coxed fours.

In this event he won a silver and a gold medal at the 1976 and 1980 Olympics, respectively, as well as four world titles in 1974, 1977, 1978 and 1979.

[1][2][3] His twin brother Ullrich rowed together with Walter in most competitions.

The brothers have different birth dates because Walter was born before midnight and Ullrich shortly thereafter.

This article about a rowing Olympic medalist for Germany is a stub.