Zlatko Mateša (; born 17 June 1949) is a Croatian politician who served as Prime Minister of Croatia from 1995 to 2000 and as . A member of the Croatian Democratic Union, Mateša who served as the president of the Croatian Olympic Committee from 2002 to 2026, and is honorary consul of Mongolia in Croatia.
Mateša was born and grew up in Zagreb, then Federal People's Republic of Yugoslavia, and obtained a law degree at the University of Zagreb in 1974.
In 1990, he entered politics and became a high-ranking HDZ member, along with the aforementioned group. The Mateša government is perhaps best remembered for the introduction of the value-added tax, which originated from the previous government before being put to effect from 1996 under Mateša's government. In 1998, the tax rate was fixed for all products at 22%. The finance minister in the Cabinet of Zlatko Mateša was Borislav Škegro.
In the 2000 Croatian parliamentary election he was elected into the Sabor and served until the end of 2003.
Since 2002, Mateša is the president of the Croatian Olympic Committee (HOO).