Berlaymont, also de Berlaymont and van Berlaymont is a family name derived from Berlaimont and the title of the French Counts of Berlaymont.
Notable people with the name include: Charles de Berlaymont (), nobleman Claude de Berlaymont (1550–1587), Flemish military commander Florent de Berlaymont (), nobleman Gillis van Berlaymont (), nobleman Lancelot de Berlaymont (), first husband of Marie de Brimeu Louis de Berlaymont (1542–1596), aristocratic clergyman