Dartree (Irish: Dartraí) is a barony in County Monaghan, Ireland.

Dartree is known in Irish as Dartraí from the ancient kingdom Dartraighe, named after the n-Dartraighi or Dairtre people.

[1] Dartree is found in west County Monaghan.

Dartree barony is bordered to the northeast by Monaghan; to the southeast by Cremorne (both the preceding are also in County Monaghan); to the west by Clankelly, County Fermanagh; and to the south by Tullygarvey, County Cavan.

Below is a list of settlements in Dartree barony: