Thelen

Thelen may refer to:

People

 * A. J. Thelen (born 1986), retired American professional ice hockey defenseman
 * Albert Vigoleis Thelen (1903-1989), German author and translator
 * Dave Thelen (born 1936), former Canadian Football League running back
 * Eduard Thelen (born 1943), former German field hockey player
 * Esther Thelen (1941-2004), American developmental psychologist
 * Fanny Thelen (1856 - 1939), American clubwoman
 * Frank Thelen (born 1975), German businessman
 * Jodi Thelen (born 1962), American actress
 * Kathleen Thelen, American professor
 * Michael Thelen (1834–1918), German-American politician
 * Nathan Thelen, one of the founding members of the band Pretty Girls Make Graves
 * Paul Thelen, chairman and chief executive officer of Big Fish Games
 * Robert Thelen (1884-1968), German aviation pioneer and designer
 * Robert Thelen III, one of the founders of The Mendota Beacon
 * Tim Thelen (born 1961), American professional golfer

Other uses

 * Thelen LLP, a former American law firm
 * Thelen Madagascar Frog, a common name for the frog Gephyromantis thelenae