Tomblin is a surname. Notable people with the surname include:
Arthur Tomblin (1836–1911), English cricketer Charles Tomblin (1891–1918), English cricketer David Tomblin (1930–2005), British film and television producer and director Earl Ray Tomblin (born 1952), American politician J. Bruce Tomblin (born 1944), American communication scientist Lisa Tomblin, make-up artist Ranjuo Tomblin (born 2005), British synchronised swimmer Ted Tomblin (born 1971), American politician