The 2023 BitNile.com Grand Prix of Portland was the penultimate round of the 2023 IndyCar season.

The race was held on September 3, 2023, in Portland, Oregon at the Portland International Raceway; and was won for a second time by Álex Palou who qualified fifth and led 69 of 110 laps in his Chip Ganassi Racing number 10 Honda.

Arrow McLaren's Felix Rosenqvist finished second while Palou's veteran teammate Scott Dixon came in third.

Graham Rahal qualified on the pole and finished twelfth.

The race started at 12:30 PM PT on September 3, 2023.