Blalock may refer to:
Blalock (surname) Blalock, Georgia, an unincorporated community Blalock, Oregon, a former community in the United States Lake Blalock, reservoir in Spartanburg County, South Carolina
Houses Blalock House, historic home in Venice, Florida, United States Robert L. Blalock House, historic home in Lenoir County, North Carolina Dr. Nathan M. Blalock House, historic home near Raleigh, Wake County, North Carolina
See also Blalock–Taussig shunt, surgical procedure used to increase pulmonary blood flow Blalock–Hanlon procedure, a form of heart surgery