Martin Kane, Private Eye is an American crime drama radio and television series sponsored by United States Tobacco Company. It aired via radio from 1949 to 1952 and was simultaneously a television series on NBC from 1949 to 1954. It was the "earliest of successful cops-and-robbers series" on television.

Gargan, Nolan, Tracy, and Mark Stevens played the title role in Martin Kane, Private Eye on live television, airing on NBC from September 1, 1949 until June 17, 1954. The television version, also sponsored by United States Tobacco Company, integrated commercials into the detective drama by having Martin Kane enter his favorite tobacco shop where he discussed pipe tobaccos and cigarettes with the tobacconist Happy McMann (Walter Kinsella), before leaving to continue the mystery narrative.