Schaller is a German surname. Notable people with the surname include:
Albert Schaller (1857–1934), American jurist and politician
Barry R. Schaller, American lawyer, judge, academic, and bioethicist
Biff Schaller (1889–1939), American baseball player
George Schaller (born 1933), American biologist
Hans Schaller, German luger
Johann Gottlieb Schaller (1734–1814), German zoologist and entomologist
Johann Nepomuk Schaller (1777–1842), Viennese professor and sculptor
Johanna Schaller-Klier, German Olympic hurdler
Leonie Schaller (born 1978), German classical saxophonist
Lyle E. Schaller (1923–2015), Church consultant and author
Rainer Schaller (born 1969), German entrepreneur
Thomas Schaller (born 1967), American political scientist
Willy Schaller (1933–2015), American soccer player
Gilbert Schaller (born 1969), Austrian tennis player
