'''Steffen''' is a surname and given name, and may refer to:
== Surname == *Albert Steffen (1884–1963), Swiss poet, painter, and novelist *Alex Steffen (b. 1968), American writer and environmental futurist *Anthony Steffen (1929–2004), Brazilian actor; acted in many spaghetti westerns *Britta Steffen (b. 1983), German Olympic swimmer *Clare E. Steffen (b. 1954), American psychologist *David Steffen, American businessman and politician *Hans Steffen (1865–1937), German geographer and explorer of Patagonia *Jason Steffen (b. 1975), American physicist *Jim Steffen (1936–2015), American football player *Kai Steffen (born 1961), German football player *Konrad Steffen (1952-2020), Swiss glaciologist and Arctic climate researcher *Niklas Steffen (born 2001), Swiss footballer *Otto Steffen (b. 1874, d. unknown), American Olympic gymnast *Renato Steffen (born 1991), Swiss football player *Sonja Steffen (b. 1963), German politician *Thomas L. Steffen (1930–2020), American judge *Till Steffen (born 1973), German lawyer and politician *Waldemar Steffen (b. 1872, d. unknown), German Olympic track and field athlete *Walter Steffen (1886–1937), American professional football player *Willi Steffen (1925–2005), Swiss football player *William L. Steffen (1947–2023), Australian climate science expert and researcher *Zack Steffen (born 1995), American soccer player
== Given name ==
* Steffen Dittes (born 1973), German politician * Steffen Freiberg (born 1981), German politician * Steffen Frølund (born 1984), Danish politician * Steffen Grosse (born 1967), German politician * Steffen Holme Helledie (born 1989), Danish politician * Steffen Jürgens (born 1967), German actor and film director * Steffen Larsen (born 1983), Danish politician * Steffen Møller (born 1977), Danish engineer * Steffen Roth (born 1976), German academic * Steffen Schütz (born 1966), German politician * Steffen Tangstad (1959–2024), Norwegian boxer
==See also== *Steffen Glacier in the Northern Patagonian Ice Field
{{Stephen-surname}} {{surname|Steffen}} Category:Surnames derived from given names {{DEFAULTSORT:Steffen (Surname)}}