Ortmann is the surname of the following persons: Andreas Ortmann (born 1953), German-born economist Anton Ortmann (1801–1861), Bohemian-Austrian botanist, with the botanical authority abbreviation Ortmann Arnold Edward Ortmann (1863–1927), German zoologist and botanist, with the botanical authority abbreviation A.E.Ortmann Chuck Ortmann (1929–2018), American football player Günther Ortmann (1916–2002), German handball player Oliver Ortmann (born 1967), German pool billiard player Siegfried Ortmann (1937–2023), German archer
Other variants Ortman Orthmann Artner