Vasco Errani is an Italian politician. He was a founding member of the Democratic Party (PD), which he has left on 22 February 2017, to join Article 1 – Democratic and Progressive Movement, a party founded by the former PD left-wing minority. He has been President of Emilia-Romagna from 1999 to 2014, being the longest-serving one of all time. Errani is one of the longest-serving governors in the history of the Italian Republic.

Article One, officially Article 1 – Democratic and Progressive Movement, was a social-democratic political party in Italy.