Llanfihangel Rhos-y-Corn is a sparsely populated community of Carmarthenshire, Wales.

The population of the community taken at the 2011 census was 468.

[1] The community is bordered by the communities of: Llanybydder; Llansawel; Llanfynydd; Llanegwad; Llanllawddog; Llanfihangel-ar-Arth; and Llanllwni, all being in Carmarthenshire.

It includes the village of Brechfa.

This Carmarthenshire location article is a stub.