The PFL 8 mixed martial arts event for the 2019 season of the Professional Fighters League was held on October 17, 2019, at the Mandalay Bay Events Center in Las Vegas, Nevada.

The event was the eighth of the 2019 season and marked the start of the playoffs for the Featherweight and Lightweight divisions.

[1] *Daniel Pineda was originally scheduled to face Lance Palmer but was forced to pull out of the bout after failing NAC drug test.

[2] He was replaced by Alex Gilpin.

[3] [4]