Abby Dalton (born August 15, 1935) is an American actress. Born as Marlene Wasden in Las Vegas, Nevada, she has made numerous appearances on television, including the recurring role of "Julia Cumson" on Falcon Crest.

Dalton's character was fist-fought over by James Garner and Clint Eastwood in the "Duel at Sundown" episode of Maverick. She played a nurse on Hennesey with Jackie Cooper and portrayed Joey Bishop's wife on The Joey Bishop Show, a situation comedy on NBC and CBS from 1961–65. She was also a semi-regular panelist on Match Game and appeared in the early years of Hollywood Squares but did not appear in later years.

She is the mother of Kathleen Kinmont; her sons-in-law are Jere Burns and, formerly, Lorenzo Lamas (who had played her son on Falcon Crest).