James Gruen (March 8, 1894, Michigan – March 19, 1967, Woodland Hills, Los Angeles, California) was a Hollywood screenwriter.

James Gruen was married to actress Beatrice Van.

Filmography

• Camera Sleuth (1951)
• South of Death Valley (1949) (story)
• Everybody Sing (1938) (additional dialogue)
• Windjammer (1937)
• Wild Brian Kent (1936)
• The Leathernecks Have Landed (1936) (story)
• Behind the Green Lights (1935)
• The Marines Are Coming (1934) (screenplay)
• In Old Santa Fe (1934) (screenplay)
• Night Parade (1929)
• Hard to Get (1929) (also titles)
• The Girl in the Glass Cage (1929)
• Silks and Saddles (1929) (adaptation)
• Riley the Cop (1928) (story)
• None But the Brave (1928) (story)
• A Prodigal Bridegroom (1926) (story)
• Collegiate (1926) (adaptation)
• Alice Be Good (1926)
• Meet My Girl (1926) (story)
• The Traffic Cop (1926)
• Let's Go, Gallagher (1925) (also story)
• Three Bases East (1925) (scenario)