| Type: | Bishop |
| Thomas Bek | |
| Bishop of Lincoln | |
| Religion: | Catholic |
| Elected: | c. 1 March 1341 |
| Term End: | 2 February 1347 |
| Predecessor: | Henry Burghersh |
| Successor: | John Gynwell |
| Consecration: | 7 July 1342 |
| Birth Date: | 1282 |
| Death Date: | 2 February 1347 |
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.[1]