The Rosses is a traditional 'district' in the west of County Donegal in Ulster, the northern province in Ireland. The Rosses has a population of over 7,000 centred on the town of Dungloe, which acts as the educational, shopping and civic centre for the area. Defined by physical boundaries in the form of rivers, as well as history and language use, the area has a distinctive identity, separate from the rest of County Donegal. The extensive district lies between the parish and district of Gweedore to the north and the town of Glenties to the south. A large part of the Rosses is in the Gaeltacht, which means that Irish is the spoken language. The Rosses, Cloughaneely and Gweedore, known locally as "the three parishes", with 16,000 Irish speakers, together form a social and cultural region different from the rest of the county, with Gweedore serving as the main centre for socialising and industry. Gaeltacht an Láir is another Irish-speaking area.

Irish, also known as Irish Gaelic or simply Gaelic, is a Goidelic language of the Insular Celtic branch of the Celtic language group, which is a part of the Indo-European language family. Irish is indigenous to the island of Ireland and was the population's first language until the 19th century, when English gradually became dominant, particularly in the last decades of the century. Today, Irish is still commonly spoken as a first language in areas of Ireland collectively known as the Gaeltacht, in which only 2% of Ireland's population lived in 2022.