| Ramiro II | |
|---|---|
 | |
| King of Aragon | |
| Reign | 29 September 1134 – 13 November 1137 (de facto) or 16 August 1157 (in title only) |
| Predecessor | Alfonso I |
| Successor | Petronilla |
| Born | 24 April 1086 |
| Died | 16 August 1157 (aged 71) Huesca |
| Burial | |
| Consort | Agnes of Aquitaine |
| Issue | Petronilla |
| House | House of Jiménez |
| Father | Sancho Ramírez |
| Mother | Felicia of Roucy |
| Signature |  |
Ramiro II (24 April 1086 – 16 August 1157), called the Monk, was a member of the House of Jiménez who became king of Aragon in 1134. Although a monk, he was elected by the Aragonese nobility to succeed his childless brother Alfonso the Battler. He then had a daughter, Petronilla, whom he had marry Count Ramon Berenguer IV of Barcelona, unifying Aragon and Barcelona into the Crown of Aragon. He withdrew to a monastery in 1137, leaving authority to Ramon Berenguer but keeping the royal title until his death.