Annan is a Scottish surname. The use of Annan as a surname is most common in Great Britain and the former British colonies. The earliest reference of Annan used as a surname is found in the 13th century Ragman Rolls during which Scots pledged homage to nobles. It is likely that the inhabitants of Annan, Dumfries and Galloway, Annandale, River Annan, Annanhead Hill, and Annan Castle adopted "Annan" as their surname. Notable people with the Annan surname include:
Abraham Annan (born 1988), Ghanaian footballer
Alyson Annan (born 1973), Australian field hockey player
Anthony Annan (born 1986), Ghanaian footballer
Archie Annan (1880–unknown), Scottish footballer
Beulah Annan (1899–1928), suspected American murderer
Christian Annan (born 1978), Ghanaian-born Hong Kong footballer
Daniel Francis Annan (1928–2006), Ghanaian judge and politician
Dorothy Annan (1908–1983), English painter, potter and muralist
Dunc Annan (1895–1981), American football player
James Annan, British climatologist
James Craig Annan (1864–1946), Scottish photographer
John Annan Bryce (1841–1923), Scottish businessman and politician
Kofi Annan (born 1938), former Secretary-General of the United Nations (1/Jan/1997 – 1/Jan/2007)
Kojo Annan (born 1973), Kofi Annan's son
Noel Annan, Baron Annan (1916–2000), member of the House of Lords and British academic
Richard Annan (born 1968), English footballer
Thomas Annan (1829–1887), Scottish photographer, and son of James Craig Annan
