Cwmduad (Welsh "Cwm" valley + "duad" blackness (river Duad, in English Blackcombe)) is a village in Carmarthenshire, West Wales.

Cwmduad is located on the A484, just north of Cynwyl Elfed.

The nearest major settlements are Carmarthen to the South and Newcastle Emlyn to the North.

[citation needed] The village's baptist church was built in 1869 and restored in 1906.

[1] In 2019, during Storm Callum, a landslide near Cwmduad caused the fatality of a 21-year-old male.