Dalgarnock, Dalgarno, Dalgarnoc or the 'auld toun' was an ancient parish and a once considerable sized village in the Nithsdale area of Dumfries and Galloway, Scotland, south of Sanquhar and north of Dumfries that enclosed the parish of Closeburn but was annexed to Closeburn in 1606 following the Reformation, separated again in 1648 and finally re-united in 1697, as part of the process that established the Presbyterian Church of Scotland.