Valdemaras Chomičius (also known as Valdemaras Homicius) (born May 4, 1959 in Kaunas, Soviet Union) is a Lithuanian retired professional basketball player for the Soviet and Lithuanian national basketball team. Assistant coach on the Lithuanian national team.
As a 192 cm (6'3¾") tall point guard he is best remembered as the captain from the "golden years" of Žalgiris Kaunas by winning three consecutive USSR League championships against the rival CSKA Moscow in 1985–1987. His former teams include Žalgiris Kaunas, Forum Valladolid, CAI Zaragoza. He also has played in Italy for Aprimatic Bologna (Serie A2) in the 1990–1991 season. He last played for Olimpas Žemaitija during the 1996–1997 season. He served as player-coach for Kraitenė Marijampolė, was the assistant coach with PBC Ural Great Perm from 1999 to 2004, also serving as head coach for the team in the 2004-2005 season. He briefly coached PBC Dynamo Moscow in 2003, and was the assistant coach for BC UNICS, serving as the team's head coach in the 2009-2010 season. He was also the head coach for Triumph Lyubertsy from 2010 to 2012, BC Dnipro from 2012 to 2015, and worked as a coach for BC Parma in the 2016-2017 season. He is the current head coach of BC Dzūkija.
He head coached the Lithuania national team to win the Stanković Continental Champions Cup in China in 2005.