Coleg Meirion-Dwyfor (meaning in English "Meirion-Dwyfor College"), also known as CMD, is a college in Gwynedd, Wales with its main campus at Dolgellau, and it serves the areas of Meirionydd and Dwyfor. It has a bilingual language policy and offers the possibility of studying most subjects through the medium of Welsh. Since 1 April 2012, it is a constituent college of Grwp Llandrillo Menai