Maria Cristina is a station in the Barcelona Metro and Trambaix networks, in the Les Corts district of Barcelona. It is served by metro line L3 and tram lines T1, T2 and T3.

The metro station is located under Avinguda Diagonal, between Carrer del Doctor Ferran and Gran Via de Carles III. It has two 94-metre (308 ft) long side platforms. The tram station is located in the Avinguda Diagonal, immediately above the metro station. Both stations lie in front of the La Caixa headquarters in La Maternitat i Sant Ramon.