Oscar Ivanissevich was an Argentinian politician, physician and footballer. He belonged to Peronist Party and is considered the co-author of the Peronist March. He served as Minister of Education in two terms designated by president Juan Domingo Perón, between 1949 and 1950, and by president María Estela Martínez de Perón, between 1974 and 1975 and was rector of the University of Buenos Aires. Also he served as Argentinian Ambassador to the United States between 1946 and 1948.
He was born in Buenos Aires in a Croatian immigrant family to Antonio Ivanissevich and Elena Defilippis. He played football in the Second Division of Argentina in teams such as Kimberley and Estudiantes de Buenos Aires.
He died in Buenos Aires at 81 years.