Alexander Singer (born 18 April 1928, in New York City, New York, died 28 December, 2020) was an American director. He began his career behind the camera in 1951 as a cinematographer on the short documentary Day of the Fight, directed by his high school friend Stanley Kubrick.

Singer turned to directing a decade later with the film A Cold Wind in August. Although he directed other films, such as the Lee Van Cleef western Captain Apache (1971), and Glass Houses (1972), an adaptation of a book that his wife Judith Singer wrote, the bulk of Singer's credits are in television. The long list of series to which Singer has lent his directorial talents include Dr.