Thomas Bek (also spelled Beck) (1282 – 2 February 1347) was the Bishop of Lincoln from 1341 until his death.
He was a member of the same family as Antony Bek, Bishop of Durham, and Thomas Bek, Bishop of St David's.
Bek was elected on about 1 March 1341 and consecrated on 7 July 1342.
He died on 2 February 1347.
This article about an English bishop or archbishop is a stub.