Donatas Vencevicius (born 28 November 1973 in Lithuanian SSR, Soviet Union) is a Lithuanian football coach and former midfielder, current manager of Lithuanian A Lyga club Jonava.
Vencevicius started his career at Žalgiris Vilnius.
In 2001, while playing for FC København, he became champion of the Danish Superliga.
In 2002, he played for the Norwegian club IK Start.
Donatas also made a mediocre stay in the Swedish club GIF Sundsvall during the season 2005.
He started his manager career in 2007 after announcing his retirement from professional football as a player and was first assistant, then head coach FK Vetra in one season before moving to FK Suduva in 2009 to take up an assistant coach position.
Before 2010 season Suduva appointed Vencevicius as the head coach.
On 24 May 2011 he was named new manager of Polish Second League club Wigry Suwalki.
On 14 December 2016 he signed a two-year contract with Lithuanian A Lyga club Jonava.Since 2009 Vencevicius has been an assistant coach of the Lithuanian national team.