William Blackwell

Will or William Blackwell may refer to:


 * Will Blackwell (born 1975), American football wide receiver
 * William Blackwell (architect) (1850–1937), Canadian architect who worked in Peterborough, Ontario
 * William Blackwell (captain), founder of Mortlake, Connecticut
 * William Blackwell (pole vaulter), co-winner of the 1944 NCAA DI outdoor pole vault championship
 * William H. Blackwell (1882–1963), American fruit farmer and politician