Rennison is a surname. Notable people with the surname include:
*
Colleen Rennison (born 1987), Canadian singer-songwriter and actress
*
David Rennison, British Royal Air Force air vice marshal
*
Graham Rennison (born 1978), English footballer
*
Louise Rennison (1951–2016), English writer and comedian
*
Richard Rennison
Richard Rennison (29 October 1889 – 5 August 1969) was the last " anvil priest" at Gretna Green, Scotland. Between 1926 and 1940, he performed "irregular marriages" of couples over the anvil at the Old Blacksmith Shop, where the couple procla ...
(1889–1969), Scottish "anvil priest"
{{surname