Kšyštof Lavrinovič (Polish: Krzysztof Ławrynowicz; born 1 November 1979) is a Lithuanian former professional basketball player.

On 22 August 2018 Lavrinovič signed with BC Prienai of the Lithuanian Basketball League.

[1] On 21 September 2019 he signed with the London City Royals of the British Basketball League.

[4] Lavrinovič has a twin-brother, Darjuš, whom he played with at UNICS Kazan in the Russian Superleague, as well as with on the senior men's Lithuanian national basketball team.

[5] On 18 October 1998 Kšyštof Lavrinovič, his twin-brother Darjuš and their cousin raped at that time a seventeen-year-old girl.