Marija Vrajić Trošić (born 23 September 1976) is a Croatian marathoner and ultra marathoner.

In 2015, she took bronze at the IAU 100 km World Championships.

[1] She was the winner of the 2009 Skopje Marathon and the 2012 Three Hearts Marathon.

[2][3] In 2015, she took third by 3 seconds in the Three Hearts Marathon with a time of 2:44:57, and qualified for the 2016 Summer Olympics.

[4]