Estella Kingsbury (March 28, 1885 - February 20, 1996) was an American verified supercentenarian. She was born in Jasper County, Iowa, as Estella Reichelt to parents Charles and Fredericka Reichelt. She had four sisters and four brothers.
On November 14, 1901, she married Delmore Kingsley. The couple had two sons and one daughter. She worked as a nurse's aide at a hospital and at a veterans' home.
Kingsbury died on February 10, 1996, at the age of 110 years, 329 days.