Remigijus Žemaitaitis (born 30 May 1982) is a Lithuanian politician and member of the Seimas.
Žemaitaitis was born on 30 May 1982 in Šilutė. In 2005, he graduated from the Faculty of Law at the Vilnius University. Until 2007 he worked as a lawyer and assistant at courts. Between 2007 and 2009 he worked as an assistant to the mayor of Vilnius and, later, a member of the European Parliament Juozas Imbrasas and former President of Lithuania Rolandas Paksas.
A member of the Order and Justice party, Žemaitaitis was elected to the Tenth Seimas in 2009, in the by-election in the single-seat constituency of Šilutė-Šilalė. He was reelected to the Eleventh Seimas in 2012. He was elected the chairman of the Economics Committee at the parliament.
In elections in 2016, Žemaitaitis will head the electoral list of Order and Justice.