Álvaro López San Martín (Spanish pronunciation: [ˈalβaɾo ˈlopeθ sam maɾˈtin]; born 2 June 1997 in Barcelona) is a Spanish tennis player.
López San Martín won the 2015 French Open boys' doubles championship, partnering Jaume Munar.
López San Martín has a career high ATP singles ranking of No. 280 achieved on 19 June 2023 and a doubles ranking of No. 340 achieved on 10 April 2023.