詹姆斯·艾伦·沙姆斯（James Allan Schamus）是美国编剧，Good Machine制作公司的联合创始人，也是电影制作、融资和全球发行公司Focus Features的首席执行官，直到该公司与FilmDistrict合并。他的作品包括编剧或合著《冰风暴》、《吃喝》、《男人、女人》、《卧虎藏龙》和《绿巨人》（均由李安执导），以及制作《断背山》和《独自在柏林》。在Focus，他监督了《Lost in Translation》、《Milk》、《Eternal Sunshine of the Spotless Mind》、《Coraline》、《The Kids Are All Right》的制作和发行。他是哥伦比亚大学艺术学院的专业实践教授，教授电影史和理论。

James Allan Schamus is an American screenwriter, co-founder of Good Machine production company, and the CEO of Focus Features, the motion picture production, financing, and worldwide distribution company, until its merging with FilmDistrict. His output includes writing or co-writing The Ice Storm, Eat, Drink, Man, Woman, Crouching Tiger, Hidden Dragon and Hulk (all directed by Ang Lee), and producing Brokeback Mountain and Alone in Berlin. At Focus he oversaw the production and distribution of Lost in Translation, Milk, Eternal Sunshine of the Spotless Mind, Coraline, The Kids Are All Right. He is Professor of Professional Practice in Columbia University's School of the Arts, where he teaches film history and theory.