Sergio Costa (born 22 April 1959) is an Italian military official and politician, who served in the government of Italy as Minister of the Environment between 2018 and 2021. He is a member of the Five Star Movement.
He was Commander of the Provincial Police of Naples, with the title of Manager, until 7 April 2009. In 2009 he passed to the State Forestry Corps; from 2009 to 2010 he was regional commander of the Basilicata, and vice commander from 2010 to 2011. Subsequently he was Provincial Commander of Naples from 2011 to 2014 and Regional Commander of Campania from 2014 to 2016.
Inserted in the ranks of the Carabinieri, after the incorporation of the Forestry Corps, from 1 January 2017 to 31 May 2018 he was Regional Commandant of forest carabinieri of Campania, with the rank of Brigadier general.