Helmar Stiegler (born 18 March 1960) is an Austrian former professional tennis player.

[1] A left-handed player from Vienna, Stiegler reached a best singles world ranking of 224 during his time on the professional tour.

[2] In 1980 he made the round of 16 at Grand Prix tournaments in Vienna and Sofia.

Stiegler is now an orthopedic surgeon.