•
Carl Sieg (1784–1845), German painter and lithographer •
Victor Sieg (1837–1899), French composer and organist •
Lee Paul Sieg (1879–1963), a former president of the University of Washington •
Paul Eugen Sieg (1899–1950), German physicist and writer •
John Sieg (1903–1942), railroad worker and journalist who publicized Nazi atrocities •
Jack Sieg (1914–1968), American swimmer who used the butterfly stroke in 1935 •
Edward Chan Sieg (1928–2007), American director, photographer and writer •
Shane Sieg (1982–2017), NASCAR driver •
Ryan Sieg (born 1987), NASCAR driver •
Trent Sieg (born 1995), American football long snapper •
Kyle Sieg (born 2001), NASCAR driver == Other ==