Adriano Castellesi
| Adriano Castellesi | |
|---|---|
| Cardinal Priest of S. Crisogono | |
| In office | 1503–1521 | 
| Predecessor | Giovanni Battista Ferrari | 
| Successor | Albrecht von Brandenburg | 
| Other post(s) | Bishop of Hereford (1502–1504) Secretary to Pope Alexander VI (1503) Bishop of Bath and Wells (1504–1518) | 
| Orders | |
| Created cardinal | 31 May 1503 by Alexander VI | 
| Personal details | |
| Born | c. 1460 | 
| Died | c. 1521 (aged roughly 61 years) | 
| Nationality | Italian | 
| Denomination | Catholic | 
Adriano Castellesi (c. 1461-c. 1521), also known as Adriano de Castello or Hadrian de Castello, was an Italian cardinal, an English agent in Rome, and a writer. He was born in Corneto, which is today's Tarquinia. He was the child of a modest family.