Nuffield Organization was the unincorporated umbrella-name or promotional name used for the charitable and commercial interests of owner and donor, William Morris, 1st Viscount Nuffield. The name was assumed following Nuffield's gift made to form his Nuffield Foundation in 1943, it linked his business interests to his existing very generous philanthropy. The same enterprises had previously been referred to as the Morris Organizations and at first described itself as The Nuffield Organization, A Cornerstone of Britain's Industrial Structure.

William Richard Morris, Viscount Nuffield,, was an English motor manufacturer and philanthropist. He was the founder of Morris Motors Limited and is remembered as the founder of the Nuffield Foundation, the Nuffield Trust and Nuffield College, Oxford, as well as being involved in his role as President of BUPA in creating what is now Nuffield Health. He took his title from the village of Nuffield in Oxfordshire, where he lived.