Saintfield (from Irish: Tamhnaigh Naomh, meaning 'Field of Saints') is a village and civil parish in County Down, Northern Ireland. It is about halfway between Belfast and Downpatrick on the A7 road. It had a population of 3,381 in the 2011 Census, made up mostly of commuters working in both south and central Belfast, which is about 18 km away. The population of the surrounding countryside is mostly involved in farming.