Montmorency-Laval
Montmorency-Laval is a family name that may refer to:
- François de Montmorency-Laval (1623–1708), first Catholic bishop in Canada
- Louis-Joseph de Montmorency-Laval (1724–1808), cardinal, bishop of Metz
- Mathieu de Montmorency-Laval (1766–1826), French general, statesman, diplomat and minister