Arun Manilal Gandhi (born 1934) is an Indian-American socio-political activist, and the fifth grandson of Mohandas Gandhi through his second son Manilal.
Although he has followed in the footsteps of his grandfather as an activist, he has eschewed the ascetic lifestyle of his grandfather.
In 2017 he published The Gift of Anger: And Other Lessons From My Grandfather Mahatma Gandhi (New York: Gallery Books/Jeter Publishing 2017).