Pepin I, byname PEPIN OF LANDEN, or PEPIN THE ELDER, French P…PIN DE LANDEN, or P…PIN LE VIEUX (d. c. 640), councillor of the Merovingian king Chlotar II and mayor of the palace in Austrasia.
Through the marriage of his daughter Begga with Ansegisel, son of Arnulf (d. 641; bishop of Metz), Pepin was the founder of the Carolingian dynasty. Deprived of his mayoralty at the accession (629) of Dagobert I, he regained power in Austrasia after that king's death (January 639) but did not long survive to enjoy it.