Juan Francisco Margallo Rivera (born 24 September 1940) is a Spanish actor, theater director and dramaturge. He has been considered one of the main actors in the Spanish theater. He has worked with Miguel Narros, Luis Escobar Kirkpatrick and José Tamayo. In 1976, he played Woyzeck, by Georg Büchner and La sangre y la ceniza, by Alfonso Sastre. He was awarded the prestigious national award 'Premio Nacional de Teatro 2022'. In 2011, he founded with his spouse Petra Martínez the Uroc Teatro, which received the Medalla de Oro al Mérito en las Bellas Artes. ()