Castells (surname)

Castells is a Catalan surname. Notable people with the surname include:


 * Ada Castells (born 1968), Catalan professor, writer and journalist
 * Berta Castells (born 1984), Spanish hammer thrower
 * Manuel Castells, Spanish sociologist
 * Raúl Castells, Argentine leftist activist
 * Toni Castells, Spanish composer