José Manuel Rivero Carvallo (1 April 1905, Tehuacán – 15 February 1993) was a Mexican cardiologist remembered for describing Carvallo's sign.
José Carvallo was born in Tehuacán, in the Mexican state of Puebla, in 1905. He studied initially at the [[ ]], then continued his studies in Paris with a scholarship granted by the French government, gaining his doctorate in 1932. He returned to Mexico in 1934 to practice cardiology. In 1944 he was a founding member of the National Institute of Cardiology of Mexico under Ignacio Chávez Sánchez. He described the sign for which he is remembered in 1946.