Mindaugas Girdžiūnas (born 20 January 1989) is a Lithuanian professional basketball player currently playing for Neptūnas Klaipėda.

Girdžiūnas joined Neptūnas in 2009, after showing good performance in Lithuanian third strongest basketball league - Regional Basketball League playing for Klaipėdos Tekoda.

In 2011 January, he was loaned to Klaipėdos Nafta-Universitetas which plays in NKL.

Following the solid season, in 2015 Girdžiūnas was included into the Lithuania men's national basketball team head coach Jonas Kazlauskas extended candidates list.

[2] Otherwise happened in 2016, when he was invited into the national team training camp for the first time.