Donatas Vencevičius (born 28 November 1973) is a Lithuanian professional football manager and former player who played as a midfielder.

Donatas also made a mediocre stay in the Swedish club GIF Sundsvall during the season 2005.

He started his managerial career in 2007 after announcing his retirement from professional football as a player and was first assistant, then head coach of FK Vėtra for one season before moving to FK Sūduva in 2009 to take up an assistant coach position.

On 24 May 2011, he was named new manager of II liga club Wigry Suwałki.

On 14 December 2016, he signed a two-year contract with Lithuanian A Lyga club Jonava.