Sigg may refer to:

SIGG, Sigg Switzerland AG is a Swiss manufacturing company with its headquarters in Frauenfeld

Sigg is also a surname and may refer to:

Austin Sigg (born 1995), American murderer of Jessica Ridgeway Eugen Sigg (1898–1974), Swiss rower Ferdinand Sigg (1902–1965), European bishop Fredy Sigg (1923–1998), Swiss designer and cartoonist Oswald Sigg (born 1944), Swiss journalist Uli Sigg (born 1946), Swiss businessman, diplomat, art collector

See also Sig (disambiguation)