Tiegs is a surname. Notable people with the surname include:
Cheryl Tiegs (born 1947), American model and fashion designer Jordan Tiegs (born 1987), Canadian baseball player Oscar Werner Tiegs (1897–1956), Australian zoologist Scott Tiegs (1971–), American ecologist
See also Infernus, stage name of Norwegian black metal musician Roger Tiegs (born 1972)