Frieda Berryhill (1922 – 20 June 2012) was an American anti-nuclear and peace activist.
Berryhill was born in Waidhofen an der Ybbs, Austria, during the turbulent times after World War I and the economic crisis bringing right-wing movements to power in several countries in Europe.
After World War II, she met an American officer, emigrated to the United States and settled in North Carolina where they were married.
She also protested against the Patriot Act and took part in demonstrations in Washington D.C. She died in Wilmington, Delaware.
The Indian consultant Arun Shrivastava published an obituary on 15 November 2012.