William Thomas Baring Hayter (30 August 1858 – 21 August 1935) was an Anglican priest and teacher in the 20th century. Hayter was the third son of Harrison Hayter and his wife Eliza Jane Walker. He was educated at Summer Fields School, Charterhouse School and Brasenose College, Oxford. After ordination he held curacies at Icklesham (Sussex) and Kensington. He became vicar of Hints, Staffordshire in 1888 and remained there until 1900 when he became vicar of Horsley, Yorkshire. He became vicar of Westbury, Wiltshire in 1904, and then of Honley and of Stratford Sub Castle in 1912.