Blier is a surname, which stemmed from the French name Belier. The term is symbolic with powerful, forceful person, from bélier ‘ram’, ‘battering ram’ Notable people with the surname include:
Bernard Blier (1916–1989), French actor Bertrand Blier (1939–2025), French screenwriter and film director Mark Blier, American politician Steven Blier (born 1951), American pianist Suzanne Blier (born 1948), American art historian