Martínez de las Rivas is a Spanish surname. Notable people with the surname include:
José María Martínez de las Rivas (1848–1913), Spanish pioneer businessman in the industrialization of Biscay Santiago Martínez de las Rivas (1877–1906), Spanish sportsman and son of the above José María Olabarría Martínez de las Rivas, Spanish politician, sports leader, and grandson of José María Toby Martinez de las Rivas, British poet