1 / 10
CRISTIANO RONALDO -Donated more than $80,000 for a 10-year-old's surgery.
2 / 10
JOHN CENA - Has granted nearly 500 wishes with Make-A-Wish.
3 / 10
SERENA WILLIAMS - Serena Williams Foundation & is a UNICEF Ambassador.
4 / 10
YUNA KIM - Recently donated $100,000 for the children in Nepal.
5 / 10
NEYMAR - Teamed up with PayPal to bring clean water to parts of Brazil.
6 / 10
LEBRON JAMES - LJ Family Foundation, helping children through education.
7 / 10
HEATHER O'REILLY - Works with women's sports foundation.
8 / 10
MARIA SHARAPOVA - Makes contributions to Great Ormond Street Hospital.
9 / 10
MO'NE DAVIS - Launched a sneaker line to help girls have a better future.
10 / 10
RICHARD SHERMAN - Family foundation aims to help student's targets.