Gilbert Schaller (born 17 March 1969), is a former professional tennis player from Austria.

Schaller achieved a career-high singles ranking of World No.

He participated in seven Davis Cup ties for Austria from 1993 to 1997, posting a 3–6 record in singles.

From 2007 to 2011, he was Captain of the Austrian Davis Cup-Team and sports director of the ÖTV.

Schaller currently works as the sports director in the McCartney Group in Vienna, and as an ATP coach with (Florin Mergea and Marin Draganja).