Baron Arundell of Trerice, in the County of Cornwall, was a title in the Peerage of England. It was created in 1664 for the Royalist soldier and politician Richard Arundell. He was the second son of Sir John Arundell and the great-grandson of Admiral Sir John Arundell. He was succeeded by his son, the second Baron. He sat as Member of Parliament for Truro. The title became extinct on the death of his grandson, the fourth Baron, in 1768.
The family seat was Trerice, Cornwall.