Jo Ann Pflug is a former American motion picture and television actress, who retired in 1997.
Pflug's first major role was as U.S. Army nurse Lt. Maria "Dish" Schneider in 1970's MASH, and she also appeared in Catlow with Yul Brynner, and Where Does It Hurt? starring Peter Sellers. Other notable roles include the voice of Invisible Girl in the 1967 animated version of Fantastic Four, Lt. Katherine O'Hara in the television series spin-off of Operation Petticoat, Boss Jack's wife in Traveller, and Cynthia Vaughn in 1997's Midnight in the Garden of Good and Evil.
Pflug was the co-star of the made for television movie, The Night Strangler of 1973, which was a sequel to The Night Stalker of 1972, and a precursor of the TV series Kolchak: The Night Stalker of 1974-1975. Pflug was also a frequent panelist on the television game shows Match Game from 1973–1981, a co-host with Allen Funt on the 1970s version of Candid Camera, and a regular on the TV series The Fall Guy in 1981-1982. In 1984, she was the first actress to play Taylor Chapin on the unsuccessful syndicated soap opera Rituals.