Rex (surname)

Rex may refer to:
 * Adam Rex (born 1973), American illustrator and author of children's books
 * George Rex (1765–1839), British-born entrepreneur
 * Isaac Rex, American football player
 * Jim Rex (born 1941), the 16th and current South Carolina Superintendent of Education
 * John Rex (1925–2011), British sociologist
 * Knud Rex (1912–1968), Danish stage and film actor
 * Ludwig Rex (1888–1979), German film actor of the silent era
 * Marcus Rex (1886–1971), the last British Resident of Perak during the World War II waged in British Malaya
 * Rico Rex (born 1976), former German pair skater
 * Robley Rex (1901–2009), World War I-era veteran and, at the age of 107, one of two remaining U.S. veterans related to the First World War
 * Simon Rex (born 1974), American actor and comedian
 * Theresa Rex, Danish actress and singer