Rolandas Paksas ( ; is a Lithuanian politician who served as the sixth president of Lithuania from 2003 until his impeachment in April 2004. He previously served two terms as the prime minister of Lithuania in 1999, and again from 2000 to 2001, and as Mayor of Vilnius from 1997 to 1999 and again from 2000 to 2001. He led Order and Justice from 2004 to 2016 and was a Member of the European Parliament from 2009 to 2019.

The prime minister of Lithuania is the head of the government of Lithuania. The prime minister is Lithuania's head of government and is appointed by the president with the assent of the Lithuanian parliament, the Seimas. The modern office of prime minister was established in 1990, when Lithuania declared its independence, although the official title was "Chairperson of the Council of Ministers" until 25 November 1992.