Rosemary is an American radio soap opera broadcast on NBC Radio from October 2, 1944 to March 23, 1945, and on CBS Radio from March 26, 1945 to July 1, 1955. Starring Betty Winkler as Rosemary Dawson Roberts, the program's only sponsor was Procter & Gamble, primarily for Ivory Snow dishwashing liquid, Camay soap, Dash and Tide laundry detergents and Prell shampoo. The series was created by Elaine Carrington, who had previously created Pepper Young's Family (1932-1959) and When a Girl Marries (1939-1957).

When the program began, it focused on 20-year-old secretary Rosemary Dawson (Winkler), who supports her mother (Marion Barney) and younger sister Patti (Jone Allison). Rosemary marries journalist Bill Roberts (George Keane), a war veteran and amnesiac who later remembers his first wife Audrey (Allison) and daughter Jessica (Joan Lazer) but forgets his present with Rosemary. The show also included Rosemary's best friend Joyce Miller (Mary Jane Higby), lawyer Peter Harvey (Lawson Zerbe), and Dr. Jim Cotter (Bill Adams).

Winkler and Keane met doing Rosemary and married. When Keane was forced to leave the program due to illness, Winkler left as well, and they were replaced by Robert Readick and Virginia Kaye in the roles. Most of the other characters were also portrayed by multiple actors, including Patsy Campbell as Patti; Lesley Woods and Joan Alexander as Audrey; Helen Choate as Joyce; Sydney Smith as Peter and Charles Penman as Jim.