Vatra Dornei (German Dorna Watra, ) is a municipality in Suceava County, Bucovina, Romania, consisting of the component localities Argestru, Roșu, Todireni and Vatra Dornei (residence).
At the 2011 census, the town had a population of 14,429 inhabitants, being the fifth largest urban center in the county. It was declared a municipality in 2000, being the most recent and smallest municipality in Suceava County. Vatra Dornei has been known since the 19th century, as a spa and for practicing winter sports.