| Ramiro I of Aragon | |
|---|---|
 13th century miniature of Ramiro | |
| King of Aragon | |
| Reign | 1035 - 1063 |
| Successor | Sancho Ramírez |
| Born | before 1007 |
| Died | 8 May 1063 (aged 55–56) Graus |
| Burial | |
| Spouse | Ermesinda of Bigorre Agnes |
| Issue |
|
| House | House of Jiménez |
| Father | Sancho III of Pamplona |
| Mother | Sancha of Aybar |
Ramiro I (bef. 1007 – 8 May 1063) was the first King of Aragon from 1035 until his death, although he is sometimes described as a petty king. He would expand the nascent Kingdom of Aragon through his acquisition of territories, such as Sobrarbe and Ribagorza, and the city of Sangüesa. Sancho Ramírez, his son and successor, was King of Aragon, but also became King of Pamplona.