Tregeagle () is a locality in the Northern Rivers region of New South Wales, Australia. It sits within the City of Lismore local government area and is located south-east of Lismore. In the it had a population of 428 people.
The Traditional owners are the Widjabul and Wia-bal people of the Bundjalung Nation.
Like the nearby Repentance Creek early European settlers referred to this area as Boggy Creek but the name was later changed to a name which was, before then, being used at a local property owned by the Anstey family. The name change occurred around 1920.
The name Tregeagle is derived from the Bundjalung language word Dirrigeagle which is a kind of local gorse.