William J. Barber II
- Birth Date
 - 8/30/1963
 - Birth Place
 - Indianapolis, Indiana, USA
 - Known For
 - Acting
 

Reverend William J. Barber II is an American Protestant minister and political activist. He is the President and Senior Lecturer at Repairers of the Breach and co-chair of the Poor People's Campaign: A National Call for Moral Revival.


