Dieter Walter Ehrlich (born 20 September 1941) is a German former field hockey player who competed at the 1964 Summer Olympics and the 1968 Summer Olympics. He was born in Dohna, Saxony, Germany.
1964 Summer Olympics in Tokyo, competing for the United Team of Germany:
- Men's field hockey – 5th place
1968 Summer Olympics in Mexico City, competing for East Germany:
- Men's field hockey – 11th place