| James I | |
| Succession: | Count of Urgell |
| Predecessor: | Teresa d'Entença |
| Successor: | Peter II, Count of Urgell |
| Reign: | 1327–1347 |
| Spouse: | Cecilia de Comminges |
| Issue: | Peter II, Count of Urgell |
| House: | Barcelona |
| Father: | Alfonso IV of Aragon |
| Mother: | Teresa d'Entença |
| Birth Date: | 1321 |
| Birth Place: | Zaragoza |
| Death Date: | 15 November 1347 |
James I (1321 – 15 November 1347), the eighteenth Count of Urgell, was the fourth son of Alfonso IV King of Aragon and Teresa d'Entença & Cabrera, 17th Countess of Urgell.
James was born in Zaragoza in 1321. His older brother, Peter, inherited the Kingdom of Aragon. James inherited his mother's title.
He married Cecilia de Comminges (1321–1381), the daughter of Bernard VIII, Count of Comminges and Viscount of Turenne, in 1336 in Catalonia. They had two children, Pedro 19th Conde of Urgel and Isabel.
James is believed to have been poisoned by his brother Peter in Barcelona.