Jonas Folger (born 13 August 1993) is a German professional motorcycle racer who most recently regularly competed in the 2021 Superbike World Championship.

He was named as a replacement rider from April 2023 for Pol Espargaró, injured in March during practice at the first round of the MotoGP World Championship.

Folger is chosen to replace the injured Pol Espargaro starting from the American Grand Prix at COTA in mid-April.

He is expected to make his first MotoGP appearance since 2017, soon after becoming one of three official test riders for the KTM manufacturer.

[2] Folger previously represented the Tech3 team - scoring a runner-up result at his home Grand Prix.