Sam Warner, Polish-American director, producer, and screenwriter, co-founded Warner Bros. (born 1887)

Samuel Louis Warner was an American film producer who was the co-founder and chief executive officer of Warner Bros. He established the studio along with his brothers Harry, Albert, and Jack L. Warner. Sam Warner is credited with procuring the technology that enabled Warner Bros. to produce the film industry's first feature-length talking picture, The Jazz Singer. He died in 1927, on the day before the film's enormously successful premiere.

Warner Bros. Entertainment Inc. (WBEI), commonly known as Warner Bros. (WB), is an American filmed entertainment and media corporation studio headquartered at the Warner Bros. Studios complex in Burbank, California, and the main namesake subsidiary of Warner Bros. Discovery. Founded on April 4, 1923, by four brothers, Harry, Albert, Sam and Jack Warner, the company established itself as a leader in the American film industry before diversifying into animation, television, and video games. It is one of the "Big Five" major American film studios and a member of the Motion Picture Association (MPA).