Manuela Pinto Vieira d'Ávila (born 18 August 1981) is a Brazilian journalist, writer and politician, a member of the Communist Party of Brazil since 2001. She served as a federal deputy for Rio Grande do Sul between 2007 and 2015, being the leader of her party in the Chamber of Deputies in 2013. She also served as a state deputy for her state between 2015 and 2019 and as a councilwoman for the state capital Porto Alegre between 2005 and 2007.She was Fernando Haddad's vice presidential running mate in the Worker's Party presidential bid in the 2018 general election.