Bullio (/ˈbʊlioʊ/) is a small village in the Southern Highlands of New South Wales, Australia, in Wingecarribee Shire.

At the 2016 census, Bullio had a population of 82. At the 2021 census, there were 79 people living at Bullio.

Bullio is the birthplace of ex-Hurlstonian Geoff Goodfellow, a retired long term employee of Wingecarribee Council. Geoff currently lives in Moss Vale with his wife Barbara. They enjoy walks in the bush and spend a lot of time travelling throughout the NSW countryside.