| St Andrew St John | |
| Office1: | Dean of Worcester |
| Term1: | 1783-1795 |
| Birth Date: | 17 January 1732 |
| Birth Place: | Bletsoe, England |
| Death Place: | Worcester, England |
| Education: | New College, Oxford |
| Father: | John St John |
| Relatives: | John St John (brother) Ambrose Crowley (grandfather) |
| Children: | 2+, including Ambrose |
St Andrew St John (born in Bletsoe on 17 January 1732 – died Worcester on 23 March 1795[1]) was Dean of Worcester from 1783 until his death.
He was the second son of John St John, 11th Baron St John of Bletso.[2] He was educated at New College, Oxford.[3] His eldest son Ambrose St John was MP for Callington from 1803 to 1806.[4]