George Brackett Seitz (January 3, 1888 – July 8, 1944) was an American playwright, screenwriter, film actor and director. He was known for his screenplays for action serials, including:

• The Perils of Pauline (1914)
• The Exploits of Elaine (1914)
• The Shielding Shadow (1916)
• The Black Secret (1919)
• The Iron Claw (1916)
• The Phantom Foe (1920)
• The Last of the Mohicans (1936)