El Masnou (Catalan for 'the new farmhouse'; pronounced [əl məzˈnɔw]) is a municipality in the province of Barcelona, Catalonia, Spain.

It is situated on the coast between Montgat and Premià de Mar, to the north-east of the city of Barcelona, in the comarca (county) of el Maresme.

The town center has buildings in a wide range of styles: neoclassical, modernista, noucentista and simply eclectic.

A Roman village called Cal Ros de les Cabres was one of the first settlements located on the site of the current town.

Current basketball star Ricky Rubio was born in El Masnou.