Rodrigo de Castro Pereira (Portuguese pronunciation: [ʁoˈdɾiɡu dɨ ˈkaʃtɾu pɨˈɾejɾɐ]) (22 July 1887 – 1983) was a Portuguese tennis player. He was a one-time Portuguese national singles champion in 1931 and also a one-time doubles title-holder. He also won the CSIO Lisbon equestrian Grand Prix in 1945.