Activism
- Gerald W. Brown, American whistleblower
- H. Rap Brown, American civil rights activist
- John Brown (abolitionist) (1800–1859), American abolitionist
- John W. Brown (1867–1941), a Canadian-born labour leader in the United States
- Oliver Brown (civil rights), plaintiff of the 1954 Brown v. Board of Education case concerning school segregation
- Olympia Brown (1835–1926), American women's suffragist
Read more about this topic: List Of People With Surname Brown