Estela Rodríguez Villanueva (November 12, 1967 – April 10, 2022) was a Cuban judoka. She won silver medals at the 1992 and 1996 Summer Olympics. She used the illegal diuretic drug called furosemide at the 1996 Olympics, but was only issued a warning and was allowed to keep her medals. She was born in Santiago de Cuba, Cuba. 