Dezső Lemhényi (né Kollmann, 9 December 1917 – 4 December 2003) was a Hungarian water polo player who competed at the 1948 Summer Olympics and 1952 Summer Olympics.

Lemhényi was part of the Hungarian team which won the silver medal at the 1948 tournament.

Four years later he was a member of the Hungarian team which won the gold medal at the 1952 Olympic tournament.

He is one of a few sportspeople who won Olympic medals in water polo as players and head coaches.

You can help Wikipedia by expanding it.This biographical article relating to a Hungarian water polo figure is a stub.