Mārtiņš Gulbis (born 28 April 1991) is a Latvian former professional basketball player and a current coach. He is the head coach of TTT Riga and Latvia women's national basketball team.

Standing at 6 ft 5.5 in (1.97 m), he played at the point guard position While player, he was in the VEF Rīga roster when the now 10-time Latvian champs got its first title in 2011. At the age of 20 he but put the end to his player career because of the health reasons and became the youngest head coach in Latvian Basketball League history.^[1]

In his debut season as a head coach Gulbis led Barons to Latvian league 2nd division title. In 2017 he led Barons to bronze medal in Latvian league and repeated it in 2018 at the helm of BK Jūrmala. With Jūrmala Gulbis also went to the Baltic Basketball League final in 2018.

In 2020 Gulbis switched his career to women's club basketball when he was appointed the head coach of the legendary Latvian team TTT Rīga.^[2] In 2022 Gulbis led TTT to Euroleague Top8 finish. In 2024 TTT played in the EuroCup quarter-finals.

Gulbis has been assistant and head coach of Latvian youth national teams in FIBA European championships.^[3] In 2019 he was appointed the head coach of Latvia women's national basketball team and led it for two years. He returned to the position in 2023.^[4]

Mārtiņš has an older brother Māris Gulbis with whom he played in VEF Rīga and later coached him while in Barons.