Dorothy Koomson (born 1971 in London) is a contemporary English novelist.
Koomson has two degrees in Psychology and Journalism and has written for a number of women's magazines and newspapers. Koomson spent two years living in Sydney and is currently back in London.
Koomson wrote her first novel, the unpublished "There's A Thin Line Between Love And Hate" when she was 13. In 2003 her debut novel, "The Cupid Effect", was published. Koomson's second novel, "The Chocolate Run", was published in 2004. In 2006, Koomson published her third novel, "My Best Friend's Girl". The book was chosen for the Richard and Judy's Summer Reads shortlist and it received a huge sales boost. Koomson's fourth and fifth novels, "Marshmallows For Breakfast" and "Goodnight Beautiful" were published in 2007 and 2008 respectively. Koomson's sixth novel, "The Ice Cream Girls" was published in 2010.