The resolution was passed with 110 votes in favor, none against and one abstention.
"It is not Ms Tikhanovskaya who is waiting for that gesture of recognition, but all Belarusian people who are being beaten and thrown into jails by their own government," said Labor MP Giedrius Surplys.
Conservative MP Irena Haase said Lithuania must support its neighbors.
"We must support Belarus' democratic opposition and their aspirations. For months now, despite weather changes, fatigue and OMON violence, our Belarusian neighbors have shown that their greatest aspirations are freedom and democracy. Who else will support them if their neighbors don’t?" she said.
The Freedom Prize was established by the Seimas in 2011 to honor individuals and organizations for their role in defending freedom, democracy and human rights and promoting international cooperation for the cause of self-determination and sovereignty of Eastern and Central European nations.
The prize, which amounts to 5,000 euros, is presented every year on January 13, the Day of the Defenders of Freedom.
Belarus has been engulfed in massive protests since Alexander Lukashenko claimed a landslide victory in the August 9 presidential election which the opposition and Western countries say was rigged. Authorities are using violence and arrests to suppress protests.
It has been said that this year's prize could be accepted by Belarusian opposition leader Svetlana Tikhanovskaya who took refuge in Lithuania following the election in which she claimed victory against the authoritarian leader.
The first Freedom Prize in 2011 was awarded to Sergei Kovalev, a Russian fighter for freedom and democracy and defender of human rights.
The list of awardees also includes Antanas Terleckas, a political prisoner and founder of the political organization Lithuanian Freedom League; Archbishop Sigitas Tamkevicius, the founder and editor of the underground Chronicle of the Catholic Church in Lithuania; Adam Michnik, a Polish dissident and editor-in-chief of the daily Gazeta Wyborcza; former Lithuanian President Valdas Adamkus; Lithuania's first post-independence leader Vytautas Landsbergis; dissident nun Nijole Sadunaite; and seven partisans who fought against Soviet occupation – Jonas Ceponis, Jonas Kadzionis, Juozas Jakavonis, Bronislavas Juospaitis, Vytautas Balsys, Jonas Abukauskas and Juozas Mocys.
Last year, the award went to Albinas Kentra, a chronicler of the Lithuanian Atgimimas (Revival) movement.
Lithuanian Prime Minister Ingrida Simonyte and some parliamentarians on Thursday came to work wearing...