Assistant coach Donaldas Kairys (born 6 March 1977) is a Lithuanian professional basketball coach and former player.

On 4 February 2020, Kairys was signed by Avtodor Saratov as head coach.

[1] He left the position after the season ended.

[2] On 9 June 2020, Kairys was named head coach of Rytas Vilnius.

[3] On 16 January 2021, Kairys was fired after two decisive losses[4] Kairys served as assistant coach for the Lithuania national basketball team from 2006 to 2012.