Sol Lesser was an American film producer and presenter.
In 1915, while living in San Francisco, Lesser learned that the authorities were about to clean out the Barbary Coast district, a raucous area of gambling houses, saloons and brothels. He grabbed a camera and a friend, future Hollywood cameraman Hal Mohr, and roamed the area, especially the parts that were best-known before the area was shut down. This film is now considered a lost film.
The resulting film was The Last Night of the Barbary Coast, an early example of an exploitation film that was sold directly to movie theater owners by Lesser. With the profits from the film, he bought several theaters, and soon owned a cinema chain.
Sol Lesser signed Jackie Coogan to a movie contract in 1922, establishing both as major Hollywood names. The Coogan-Lesser hits included Oliver Twist and Peck's Bad Boy. Lesser made a successful transition to sound films, with his own Principal Pictures company; he would either distribute his productions himself under the Principal name, or arrange for a major studio to release them under their own trademarks. In 1939, Lesser produced Thunder Over Mexico a compilation film made from Eisenstein's Que Viva Mexico! with the permission of Upton Sinclair and his wife.