The United Unionist Assembly Party was a collection of unionist members of the Northern Ireland Assembly who were elected as "independent unionists" in 1998. Once sitting they decided to form themselves into an official grouping inside the assembly and chose the title "United Unionist Assembly Party". As such they are more a coalition of political expediency rather than a coherent political party. Also, as a consequence they have not contested elections as a party though some local government candidates have used the label.

One of the independent Unionists subsequently joined the Deomocratic Unionist Party. Then in the 2003 Assebly elections no independent Unionsts were elected at all.