Percival Ashley Chubb (1860–1959) was a founding member of the Fabian Society, an influential British socialist organization that aims to advance the principles of democratic socialism via gradualist and reformist effort in democracies. Born in 1860, Chubb attended the Stationers' School in London. He entered the civil service in 1878, joining the legal department of the Local Government Board. In 1884, he helped found the Fabian Society, calling a series of meetings that led to the organization's founding. Two years later, he joined the Ethical Society. Chubb died in 1960.