A Byron Bay police officer has been charged with assault after allegedly Tasering and hitting a teenage boy with a baton 19 times in January 2018.

The Law Enforcement Conduct Commission (LECC) found the officer used "inappropriate use of excessive force" against the 16-year-old outside Nomads Backpackers.

The boy was said to have been naked and intoxicated when police approached him in the early hours of January 11.

A Future Court Attendance Notice was issued to the officer for the offence of common assault. He will face Byron Bay Local Court on December 2.