Lydia Marie Clarke (April 14, 1923 – September 3, 2018) was an American actress and photographer, and the widow of Academy Award-winning actor Charlton Heston.
Clarke was born in Two Rivers, Wisconsin. She married Charlton Heston on March 17, 1944, and their marriage lasted for 64 years until his death on April 5, 2008. They had two children: Fraser Clarke Heston and Holly Heston Rochell. She was a breast cancer survivor and had undergone a mastectomy.