Helmar Stiegler (born 1941) is a former German handball player who represented East Germany in international competitions.
Stiegler was a member of the East German national handball team, playing primarily as a left wing. He competed at the highest level of amateur handball during his career. His club affiliations included SC Dynamo Berlin.
He is most notably recognized for his participation in the 1972 Summer Olympics held in Munich. During the Olympic handball tournament, Stiegler played in four matches, contributing five goals for his team. The East German national team finished in fourth place in the competition.