Morten Helveg Petersen (born 14 September 1966) is a Danish politician who has been serving as a Member of the European Parliament (MEP) since 2014. He is a member of the Danish Social Liberal Party, which is affiliated to the Alliance of Liberals and Democrats for Europe Party, and sits in the Renew Europe group in the European Parliament. He was elected to the European Parliament in 2014 and 2019 and served as member of the Folketing 1998–2009.