Kacey Ainsworth (born 19th October 1968 in Ware, Hertfordshire) is an English actress who portrayed Little Mo Slater in EastEnders from September 2000 to May 2006.
Ainsworth is the only soap actress who has won three Soap Actress awards in one single year in 2002. She won these awards at the British Soap Awards, Inside Soap Awards, TV Quick and Choice Awards and at the National Television Awards, all held in 2002. She made her final appearance in EastEnders in May 2006.