Carolyn Longton (born 21 May 1965) is one of the co-founders, in 1999, of Mumsnet.
She grew up in Blackpool, where her father was a headmaster. She has an older sister. She attended the independent Elmslie School in Blackpool, which closed in 2000. She studied English at St Anne's College, Oxford.
She worked at Pebble Mill Studios. She moved to the BBC at London. She worked as a television producer,
She helped found Mumsnet in 1999 with Justine Roberts.
She met her husband at Oxford. She has three children.