| Tournament Name: | 2019 Dafabet US Darts Masters |
| Dates: | 4–5 July 2019 |
| Venue: | Mandalay Bay |
| Location: | Las Vegas |
| Organisation: | PDC |
| Format: | Legs |
| Prize Fund: | £60,000 |
| Winners Share: | £20,000 |
| High Checkout: | 161 Nathan Aspinall |
| Winner: | Nathan Aspinall |
| Prev: | 2018 |
| Next: | 2022 |
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.
Nathan Aspinall won his third PDC title, and his first on the World Series with an 8–4 win over Michael Smith in the final.
The total prize fund was £60,000.
| Position (no. of players) | Prize money (Total: £60,000) | ||||
|---|---|---|---|---|---|
| Winner | align=center | (1) | align=center | £20,000 | |
| Runner-up | align=center | (1) | align=center | £10,000 | |
| Semi-finalists | align=center | (2) | align=center | £5,000 | |
| Quarter-finalists | align=center | (4) | align=center | £2,500 | |
| First round | align=center | (8) | align=center | £1,250 | |
The eight PDC representatives are:[1]
The North American qualifier winners were:
Jeff Smith (first round)
Leonard Gates (first round) Danny Baggish (first round) Elliot Milk (first round)The top 4 North American Order of Merit qualifiers were:
Shawn Brenneman (first round) Darin Young (first round) Jim Long (first round) Gary Mawson (first round)