•
Albert Ziegler (born 1961), German psychologist and professor •
Daniel Ziegler (1804–1876), American clergyman and entomologist •
Günter M. Ziegler (born 1963), German mathematician •
Heinz Otto Ziegler (1903–1944), German speaking Czech political scientist •
Jean Ziegler (born 1934), Swiss professor of sociology and politician, active in the
anti-globalization movement •
Johann Heinrich Ziegler (1857–1936), Swiss dye chemist •
John Bosley Ziegler, American physician who pioneered the athletic use of the steroid Dianabol •
Karl Ziegler (1898–1973), German chemist and Nobel laureate •
Peter Ziegler (1928–2013), Swiss geologist •
Philip Ziegler (1929–2023), British biographer and historian •
Regina G. Ziegler, American biochemist and nutritional epidemiologist •
Tamar Ziegler (born 1971), Israeli mathematician •
Willi Ziegler (1929–2002), a German paleontologist •
William Ziegler (1843–1905), American industrialist, co-founder of the Royal Baking Powder Company, Arctic explorer ==Sports==