Jespersen is a Danish and Norwegian patronymic surname that may refer to:
People Anna Jespersen (1895–1989), American geologist Chris Jespersen (born 1983), Norwegian cross-country skier Eric Jespersen (born 1961), Canadian sailor Finn Varde Jespersen (1914–1944), Norwegian orienteer Helle Jespersen (born 1968), Danish competitive sailor Karen Jespersen (born 1947), Danish politician Knud Jespersen (1926–1977), Danish politician Knud J. V. Jespersen (1942–2022), Danish historian and academic Mogens Jespersen (born 1949), Danish soccer player Otto Jespersen (1860–1943), Danish linguist Otto Jespersen (comedian) (born 1954), Norwegian comedian and satirist Per Mathias Jespersen (1888–1964), Norwegian gymnast Ralph Jespersen (1925–2016), Canadian dairyman and politician
Other Murders of Louisa Vesterager Jespersen and Maren Ueland, a 2018 crime that occurred in Morocco Jespersen's cycle, process of grammaticalization named in recognition of Otto Jespersen's pioneering work
See also Jesperson Jespersen v. Harrah's