Tievebaun, also known as Taobh Bán ("White side") in Irish, is a mountain located in County Leitrim in the Republic of Ireland. Its classifications include "Arderin" & "Vandeleur-Lynam". The height of the mountain is 611 m (2,005 ft). The mountain is most notable for its cliffs as well as the pinnacles which are located on the eastern and northern sides, such as Eagle's Rock and The Hag’s Leap.

Tievebaun is the third-highest mountain in the Dartry Mountains range, and ranks as the 254th highest mountain in Ireland. Tievebaun is the highest independent peak in County Leitrim; however, the mountain's summit is only the second-highest point in the county, as the southeast ridge of Truskmore Mountain lies within Leitrim, at 631 m (2,070 ft) above sea level.