Lanfranc (; ; 1005 1010 at Pavia — 24 May 1089 at Canterbury) was a celebrated Italian jurist who renounced his career to become a Benedictine monk at Bec in Normandy. He served successively as prior of Bec Abbey and abbot of St Stephen in Normandy and then as archbishop of Canterbury in England, following its Conquest by William the Bastard. He is also variously known as , , and .
Lanfranc (c. 1005–1089) was an Archbishop of Canterbury. Lanfranc may also refer to:
- Lanfranc Cigala (fl. 1235–1257), Genoese nobleman, judge, and man of letters
- Lanfranc of Milan (c.1250-1306), surgeon
- HMHS Lanfranc, a British First World War hospital ship