Yonny Hernández Vega[1] (born 25 July 1988) is a Colombian motorcycle racer.

He appeared as a replacement for Jonas Folger who was absent due to health problems.

The pre-season test in Sepang was his first opportunity to try out the Yamaha YZR-M1 motorbike.

In his five seasons of participation in MotoGP, Hernandez has never defended a Yamaha motorbike team.

Most of his career in MotoGP was spent as a Ducati motorbike rider.