The sixth season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Rick Eid, was ordered on May 9, 2018. The season premiered on September 26, 2018. The season concluded on May 22, 2019, and contained 22 episodes. This is the last season where Jon Seda plays Antonio Dawson.

Chicago P.D. is an American police procedural action drama television series created by Dick Wolf and Matt Olmstead and is the second installment of Wolf's Wolf Entertainment's Chicago franchise. The series premiered on NBC as a mid-season replacement on January 8, 2014. The show follows the uniformed patrol officers and the Intelligence Unit of the 21st District of the Chicago Police Department as they pursue the perpetrators of the city's major street offenses.