Arabella Churchill (born October 30, 1949) is an English charity founder, festival organiser, and fundraiser. She is the granddaughter of Sir Winston Churchill, the daughter of Winston's son Randolph and his second wife June Osborne.
In 1972, she married Jim Barton, and in 1973 had a son, Nicholas. In 1971, Churchill played a major role in the development of the Glastonbury Festival and in 1979, she set up the Children's Area of the 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.