Lord Lancaster may refer to:
Baron Lancaster, an extinct hereditary title created in 1299 Duke of Lancaster, a hereditary title now used by the British sovereign Earl of Lancaster, a hereditary title created in 1267, succeeded by Duke of Lancaster Mark Lancaster, Baron Lancaster of Kimbolton (born 1970), British Army officer and Conservative politician
See also Honour of Lancaster, an English feudal barony associated with the city of Lancaster Caroline Dinenage, Baroness Lancaster of Kimbolton (born 1971), British Conservative politician