The 2017 Hollywood Casino 400 is a Monster Energy NASCAR Cup Series race that was held on October 22, 2017, at Kansas Speedway in Kansas City, Kansas. Contested over 267 laps on the 1.5 mile (2.4 km) intermediate speedway, it was the 32nd race of the 2017 Monster Energy NASCAR Cup Series season, sixth race of the Playoffs, and final race of the Round of 12. Martin Truex Jr. of Furniture Row Racing, won the race.

The Hollywood Casino 400 is a 400.5-mile (644.5 km) NASCAR Cup Series stock car race held at Kansas Speedway in Kansas City, Kansas. This race is the second of ten races in the Cup Series playoffs; since 2022, it is the second race of the Round of 16.