Christos Sirros (Greek: Χρήστος Σύρρος; born 2 February 1948) is a Canadian politician who served as a member of the National Assembly of Quebec (MNA) for the Laurier-Dorion riding for two decades as a member of the Liberal Party of Quebec.

A graduate from McGill University, he first won the Laurier riding in 1981, defeating Parti Québécois (PQ) candidate Nadia Assimopoulos.

The riding of Laurier-Dorion was created for the 1994 election, in which Sirros defeated PQ candidate Benoît Henry by 6,930 votes.

He was then appointed Quebec Delegate General for Belgium and held that position until 2013.

In December 2014, he was appointed the Quebec Delegate General for the United Kingdom.