William Jacobs (October 31, 1887 – September 30, 1953) was an American screenwriter and producer for Warner Bros. He wrote 13 Hollywood films and produced 59 more, including musicals.

Jacobs was born on October 31, 1887, in Chicago, Illinois. His father, Abe, was a stage manager at the Majestic Theatre in Chicago.^[1]

Jacobs joined Warner Bros. as a screenwriter in 1934.^[1] He wrote the scripts of several movies, including Song of the Saddle.

From 1938 to his death, Jacobs produced movies for Warner Bros.^[1] In 1940, he was the associate producer of Ladies Must Live. He was active as a producer until 1953. During those years, he produced 59 movies and musicals,^[2] including Calamity Jane, Over the Goal, Christmas in Connecticut, and Tea for Two.

Jacobs was predeceased by his wife in 1949.^[1] He resided at 1716 Chevy Chase Drive in Beverly Hills, California.^[1]

Jacobs died on September 30, 1953, in Beverly Hills, at age 65.^[1][2] His body was cremated, and his funeral was held at the Forest Lawn Memorial Park.^[3]