Guisclafred (died circa 821) was the Count of Carcassonne from 810.
He was the eldest son and successor of Bello of Carcassonne.
His brothers were Sunyer I of Ampurias, Sunifred I of Barcelona, and Oliba I of Carcassonne.
When Bello died, his sons partitioned his domains between them, according to the eldest the chief city of Carcassonne.
This biography of a French peer or noble is a stub.