Kelson Carlos Santos Pinto (born November 26, 1976) is a Brazilian former professional boxer and world title challenger.

As an amateur, he won a silver medal at the 1999 Pan American Games and represented Brazil at the 2000 Summer Olympics.

Pinto represented his native country in the light welterweight division at the 2000 Summer Olympics.

He was eliminated in the second round by Uzbekistan's eventual gold medalist Mahammatkodir Abdoollayev.

Pinto turned professional in 2000 and won various regional titles in the Americas.