The 2019 Open Championship was the 148th Open Championship, played 18–21 July at Royal Portrush Golf Club in County Antrim, Northern Ireland. It was the second Open Championship at Portrush, which last hosted in 1951, won by Max Faulkner. Royal Portrush saw major alterations in preparation for the tournament, including replacing two of the holes.

Shane Lowry won his first major title by six strokes over Tommy Fleetwood. Ranked 33rd coming into the tournament, Lowry's previous biggest wins were the 2015 WGC-Bridgestone Invitational and the 2019 Abu Dhabi HSBC Championship. Lowry became the second player from the Republic of Ireland to win a major after Pádraig Harrington.