Sunyer I was count of Empúries and Roussillon (with the pagus of Perelada) from 834 to 841.
He was the son of Count Belló I of Carcassonne.
He was deposed in 841 due to a new policy of the Frankish Emperor, he died in 848. His eldest son, Sunyer II, was later a count of Ampurias (with Perelada) and Roussillon and another son, Delà, an associate count of his brother.
| Preceded by Berengar the Wise |
Count of Empúries 835–841 |
Succeeded by Alaric I |