Stage 8 of the 2023 Giro d'Italia was a hilly stage that took place on .

The stage started in Terni and finished in Fossombrone, starting at with an expected finish at (average speed of 40 km/h).

The total distance of the stage was 208.2 km. The stage included 0 categorized climb(s) and 0 intermediate sprint(s), and had a total elevation gain of 5111 m, and a total descent of -5238 m.