Yasna Provoste Campillay (born 16 December 1969) is a Chilean teacher and Christian Democrat politician of Diaguita descent, who served as minister during the presidencies of Ricardo Lagos and Michelle Bachelet. After her self-exile in Canada from 2008 until 2009, she moved to Vallenar. She was then elected in 2013 as deputy for the Atacama Region's 6th District. She became President of the Senate of Chile in March 2021 after the resignation of Adriana Muñoz. Provoste resigned from this position in August 2021 to focus on her candidacy for President of Chile, which she lost in the first round.