Laia Costa (born 18 February 1985, Barcelona, Catalonia) is a Catalan actress who has worked in Spain, Russia, Germany, Argentina and United States.

In January 2017, Laia Costa was nominated for the 2017 BAFTA EE Rising Star Award, for her role in the critically acclaimed Victoria, for which she became the first foreign actress to win a Lola, the biggest award by German Academy of Cinema, won Best Actress at the Gaudí Awards by the Catalan Academy of Cinema and was also nominated Best European Actress in the European Film Awards.