Tautvydas Lydeka (born 13 October 1983) is a Lithuanian former professional basketball player.

In 2007–08 season he started in Hanzevast Capitals Groningen, but in October he moved to Olympias Patras.

Eventually after 8 years aboard he debuted in LKL where he played in Lietuvos rytas Vilnius.

In 2015–16 season he sign with San Lorenzo de Almagro Buenos Aires, becoming the first Lithuanian player in Argentina, but in December both parties agree to terminate contract, he signed with Consultinvest Pesaro where he played until end of the season.

[1] In February 2018, Lydeka returned to Italy, after his half-season with Limoges,[2] and he signed with New Basket Brindisi.