The 2019 Northern Ireland Open (also known as the 19.com Northern Ireland Open) was a professional snooker tournament that took place from 11 to 17 November 2019 at the Waterfront Hall in Belfast, Northern Ireland. The fourth edition of the Northern Ireland Open, it was the sixth ranking event of the 2019–20 snooker season, the second tournament of the Home Nations Series. Featuring a prize fund of £405,000, the winner received £70,000. The event was broadcast on Eurosport and Quest domestically and was sponsored by betting company 19.com.