Arabella Churchill (born October 30th 1949) is a British philanthropist. She is the granddaughter of Sir Winston Churchill, the daughter of Winston' s son Randolph Churchill and his second wife June Osborne.

In 1972 she married Jim Barton, and in 1973 had a son, Jake.

In 1979, Churchill set up the Children's Area of the Glastonbury Festival and also the Theatre Area. She now runs the Theatre and Circus Fields.

In 1987, Churchill met her second husband, a juggler, Haggis McLeod and in 1988, they had a daughter, Jessica.

She is the founder and the director of Children's World charity.