Carndonagh (Irish: Carn Domhnach) is a town on the Inishowen peninsula in County Donegal, Ireland, close to Trawbreaga Bay. It is the site of the Donagh Cross (or St. Patrick's Cross), believed to date to the 7th century. The original Irish name, Carn Domhnach, means the burial mound of the church.
|Elevation||32 m (105 ft)|
|Time zone||UTC±0 (WET)|
|• Summer (DST)||UTC+1 (IST)|
|Eircode routing key|
|Telephone area code||+353(0)74|
|Irish Grid Reference|
The town is laid out around a central square, or Diamond, and is dominated by its Romanesque Revival Catholic church. It is home to national schools such as both St. Patrick's GNS and BNS and Carndonagh Community School, formerly the largest community school in Ireland. Carndonagh is home to a number of musicians, artists and writers and to the Inishowen Carnival Group and the Inishowen Gospel choir (both international performers).
Some of the sports clubs and organisations active within the community in Carndonagh are:
- Carndonagh GAA - the local Gaelic football club which participates in the AllSportStore.com Division 4.
- Carndonagh F.C. - the local soccer club, participating in the Inishowen Football League.
- Inishowen Rugby Club - Promoted four seasons in a row and participating in an Ulster league. 
- Inishowen Athletic Club 
- Carndonagh Boxing Club
- Carndonagh Dodgeball Club
- D.A.M.A.F.I. Martial arts class
- "Population and Actual and Percentage Change 2011 to 2016 by Alphabetical List of Towns, CensusYear and Statistic". Central Statistics Office (Ireland). Retrieved 2017-07-24.
- "Carn Domhnach/Carndonagh". Placenames Database of Ireland. Government of Ireland - Department of Arts, Heritage and the Gaeltacht and Dublin City University. Retrieved 2017-07-24.
- Donagh Cross - Visit Carndonagh
- "Carndonagh station" (PDF). Railscot - Irish Railways. Retrieved 2007-09-14.
- Foyle Coaches
- John McGinley Coaches