John James Teeling (born January 1946) is an Irish academic and businessperson, notable for the wide range of businesses he has developed or overhauled over several decades. In particular, he broke the Irish Distillers monopoly which existed in the Irish whiskey industry, by launching the Cooley Distillery, and reopened the 1757-founded Kilbeggan Distillery after a 50-year hiatus. He is also notable for having brought ten companies to public listing on the London Stock Exchange, the most of any Irish person. Teeling lectured at University College Dublin's business school for over 20 years. He authored a number of educational texts, for primary school and college.