Lemarchand may refer to:

• François Lemarchand, (b. 1960), French cyclist
• Håvard Jørgensen, Norwegian musician
• Lemarchand's box, a fictional lock puzzle or puzzle box
• René Lemarchand, (b. 1932), French political scientist
• Romain Lemarchand, (b. 1987), French cyclist, son of François

• Pope Matthew IV
• Pope Matthew of Alexandria (disambiguation)
• Pope Michael IV
• Pope Michael V
• Pope Michael VI
• Pope Mountain
• Popenellidae
• Pope Nicholas (disambiguation)
• Pope Night
• Pope of Alexandria
• Pope of dope
• Pope of the Catholic Church
• Pope Palace
• Pope Parish
• Pope Park
• Pope Park, Hartford, Connecticut
• Pope Paschal (disambiguation)
• Pope Paschal III
• Pope paul vi
• Pope Paul VI and ecumenism
• Pope Paul VI High School
• Pope Paul VII
• Pope Paul VI Minor Seminary
• Pope Paul VI's reform of the Roman Curia
• Pope Pelagius (disambiguation)