Jacek Protasiewicz (born 5 June 1967 in Brzeg) is a Polish politician.
Graduated from Wroclaw University where in the 80s of 20th century was a leader of anti communist student organization (NZS).
In 1995 was an international fellow at the Kettering Foundation based in Dayton, Ohio.
In 2001 he was a cofounder and a local leader of Civic Platform - a party led by Donald Tusk - later Prime Minister of Poland and Head of the European Council.
Nowadays he serves as a Deputy Head of the Polish Coalition caucus in Polish Parliament and member of Committee for European Union Affairs and Committee for Public Finance.