Lewis Bagot (1 January 1740 – 4 June 1802) was an English cleric who served as the Bishop of Bristol, Norwich, and St Asaph.

He was the fifth son of Sir Walter Wagstaffe Bagot of Blithfield Hall, Staffordshire and the former Lady Barbara Legg (a daughter of William Legge, 1st Earl of Dartmouth).

Among his elder brothers were William, Lord Bagot, the Rev.

Walter Bagot of Pype Hayes Hall (who married Anne Swinnerton and, later, Mary Ward), and Richard Bagot (who married a daughter of Viscount Andover).

[1] He was educated at Westminster School and at Christ Church, Oxford.