Märt Rosenthal (born 15 March 1999) is an Estonian professional basketball player for Stal Ostrów Wielkopolski of the Polish Basketball League (PLK).

He also represents the Estonian national team.

Standing at 1.93 m (6 ft 4 in), he plays at the shooting guard position.

Rosenthal made his debut for the Estonian national team on 21 February 2021, in a EuroBasket 2022 qualifier against Russia, scoring 4 points in a 52–75 defeat.

This biographical article relating to an Estonian basketball figure is a stub.