Jost is both a German given name and a surname. Notable people with the name include:
Jost Amman (1539–1591), Swiss artist
Jost Bürgi (1552–1632), Swiss clockmaker, maker of astronomical instruments, and mathematician
Jost Metzler (1909—1975), German submarine commander during World War II
Jost Vacano (born 1934), German cinematographer
Alfred Jost (1916–1991), French endocrinologist
Christian Jost (born 1963), German composer
Christian Jost, French geographer
Colin Jost (born 1982), American writer and comedian
Heinz Jost (1904-1964), Nazi war criminal
Henry L. Jost (1873-1950), U.S. politician
Isaak Markus Jost (1793–1860) Jewish historical writer
Jeffrey Jost, American bobsledder
Jon Jost (born 1943), American independent filmmaker
Jürgen Jost, German mathematician
Mathieu Jost (born 1981), French ice dancer
Mike Jost (born 1979), American musician
Res Jost (1918–1990), Swiss theoretical physicist
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