thelen

• 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

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

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