William Ralph Boyce Gibson (15 March 1869 – 2 April 1935) was a British philosopher.
He was born in Paris, the son of William Gibson, a Methodist minister and his wife Helen Wilhelmina, daughter of William Binnington Boyce.
He married Lucy Judge Peacock in 1898; they had five children including Alexander Boyce Gibson, Ralph Siward Gibson and Quentin Boyce Gibson.