Francisco León Barrios (born 4 October 1974), known as Paco León (Spanish pronunciation: ) is a Spanish actor, producer, director, screenwriter and activist.

Born in Seville, León began his career in television comedy roles in Andalusian regional productions. Following appearances in sketch show Homo Zapping , he became popular in Spain for his performance from 2005 to 2014 in sitcom Aída, portraying Luisma, a good-natured rehabilitated drug addict. In addition to his acting career, he has also pursued an activity as a filmmaker and show creator, starting with his debut feature Carmina or Blow Up (2012), for which he was nominated to the Goya Award for Best New Director. He has since featured in series such as The House of Flowers and Arde Madrid (also show creator) and films such as Kiki, Love to Love (also director).

He is also a prominent campaigner for HIV/AIDS causes.