Benetússer (Valencian: [beneˈtuseɾ]; Spanish: Benetúser) is a municipality in the comarca of Horta Sud in the Valencian Community, Spain.

At the 2001 census the municipality had a population of 13,425 inhabitants and a land area of only 0.78 km2 (0.301 sq mi).

Its population density of 17,211.5 persons/km2 was the third highest in Spain (after Mislata and L'Hospitalet de Llobregat).

Benetússer was badly affected by the October 2024 floods.

This article about a location in the Valencian Community, Spain, is a stub.