Muircheartach Ó Cobhthaigh (IPA: [ˈmˠɪɾʲçaɾˠt̪ˠəx oː ˈkəuhiː]; fl. 1586) was an Irish poet, a member of the Ó Cobhthaigh clan of poets from County Westmeath. He is known as the author of six extant poems:
Other poems by him may yet survive but cannot now be ascribed.