The 2019 Dafabet US Darts Masters was the third staging of the tournament by the Professional Darts Corporation. It was the first event in the 2019 World Series of Darts. The tournament featured 16 players (8 PDC representatives, and 8 North American representatives), and was held at the Mandalay Bay in Las Vegas on 4–5 July 2019. Gary Anderson was the defending champion, after beating Rob Cross 8–4 in the 2018 final, but was beaten 8–6 in the quarter-finals by Gerwyn Price.