Concepción Picciotto (née Martín January 15, 1936 – January 25, 2016) also known as Conchita or Connie, was a Spanish-born American peace activist. She lived in Washington, D.C. on the 1600 block of Pennsylvania Avenue, in a peace camp across from the White House.
She lived in a tent outside from the White House since from August 1, 1981 because of the protest of nuclear arms under the Ronald Reagan presidency until her death in 2016. She carried on the longest act of political protest in the United States, with her camp having been nicknamed by her supporters as 1601 Pennsylvania Avenue. She was born in Vigo, Spain.
Picciotto died in Washington, D.C. from complications of a fall on January 25, 2016 at the age of 80.