Christen is both a surname and a given name. Notable people with the name include:
Surname:
Adolf Christen (1811–1883), court actor, theater director and theater manager
Andreas Christen (born 1989), footballer from Liechtenstein
Björn Christen (born 1980), Swiss ice hockey player
Brian Christen (born 1926), Canadian cricketer
Claudia Christen (born 1973), Swiss designer
Georges Christen (born 1962), Luxembourgian strongman
Mathias Christen (born 1987), footballer from Liechtenstein
Morgan Christen (born 1961), American judge
Siena Christen, German paralympic athlete
Theophil Friedrich Christen (1879–1920), Swiss scientist
Given name:
Christen Aagaard (1616–1664), Danish poet
Christen Thorn Aamodt (1770–1836), Norwegian priest
Christen Larsen Arneberg (born 1808), Norwegian politician
Christen Thomsen Barfoed (1815–1899), Danish chemist
Christen Berg (1829–1891), Danish politician and editor
Christen Gran Bøgh (1876–1955), Norwegian jurist and theatre critic
Christen Christensen (figure skater) (1904–1969), Norwegian pair skater
Christen Christensen (politician) (1826–1900), Norwegian military officer and politician
Christen Christensen (shipowner) (1845–1923), Norwegian ship-owner
Christen Collin (1857–1926), Norwegian literary historian
Christen Dalsgaard (1824–1907), Danish painter
Christen Drew (born 1987), former WSIL news reporter
Christen Andreas Fonnesbech (1817–1880), Danish politician
Christen Heiberg (1737–1801), Norwegian civil servant
Christen Nielsen Holberg (c. 1625 – c. 1685), Norwegian soldier
Christen Jensen (1881–1961), American educator
Christen Knudsen (1813–1888), Norwegian ship-owner
Christen Købke (1810–1848), Danish painter
Christen Mikkelsen Kold (1816–1870), Danish teacher
Christen Mølbach (1766–1834), Norwegian merchant and politician
Christen Sørensen Longomontanus (1562–1647), Danish astronomer
Christen Pram (1756–1821), Norwegian/Danish writer
Christen C. Raunkiær (1860–1938), Danish botanist
Christen May Roper (born 1981), American college basketball athlete
Christen Friis Rottbøll (1727–1797), Danish physician and botanist
Christen Bentsen Schaaning (c. 1616 – 1679), Norwegian priest
Christen Schmidt (1727–1804), Norwegian bishop
Christen Thomesen Sehested (1664–1736), Danish admiral
Christen Smed (1797–1846), Norwegian mountain climber
Christen Sveaas (born 1956), Norwegian businessperson
Christen Andersen Vallesværd (1797–1842), Norwegian politician
Christen Wiese (1876–1968), Norwegian sailor