William George Tozer (1829–1899) was a colonial bishop in the 19th century.
He was born in Teignmouth and educated at St John's College, Oxford and ordained in 1854. His first post was a curacy at St Mary Magdalene Munster Square. Later he was Vicar of Burgh-le-Marsh. In 1862 he was appointed leader of the Universities' Mission to Central Africa. He was Bishop in Central Africa for a decade and later held further Episcopal appointments in the West Indies. He died on 23 June 1899.