Phalen is a surname. Notable people with the surname include:
Dennis T. Phalen (1856–1922), American politician Edward Phelan (c.1811–1850), early settler of Saint Paul, Minnesota, US Lake Phalen, a lake in Saint Paul, Minnesota Eugene A. Phalen (1876–1940), American businessman and politician George S. Phalen (1911–1998), American hand surgeon Phalen maneuver, a diagnostic test for carpal tunnel syndrome Gerard Phalen (1934–2021), Canadian politician, educator, and union leader Robert Phalen (1937–1995), American actor