Jan Anthony Vincent-Rostowski, also known as Jacek Rostowski (Polish pronunciation: ['jan 'vint?s?nt r?s't?fsk?i]; born 30 April 1951, London) is a British-Polish economist and politician who served as Minister of Finance and Deputy Prime Minister of the Republic of Poland.
He was a candidate for Change UK in London at the 2019 European Parliament election in the United Kingdom.