Aonghas MacNeacail, nickname Aonghas dubh or Black Angus, is a contemporary writer in Scottish Gaelic, English and Scots.

Besides drawing on Gaelic traditions, MacNeacail is influenced by the Black Mountain School of the USA. He has held writing fellowships in Scotland, including residences at the Gaelic college of Sabhal Mòr Ostaig, and reads his work at festivals around the world. He has collaborated with musicians and visual artists, and written drama. His poetry has been widely published throughout the English speaking world in journals such as Ploughshares, Poetry Australia, World Poetry Almanac, and JuxtaProse Literary Magazine. He has also received wide recognition and critical acclaim for his screenwriting and songwriting.