Austin Seth Grossman (born June 26, 1969)^[1] is an American author and video game designer. He has contributed to The New York Times^[2] and has written for a number of video games, most notably Deus Ex and Dishonored.

Grossman was born in Concord, Massachusetts. He graduated from Harvard University in 1991^[3] and is currently a graduate student in English literature at the University of California, Berkeley.^[4] He is the twin brother of writer Lev Grossman and brother of sculptor Bathsheba Grossman, and the son of the poet Allen Grossman and the novelist Judith Grossman. Grossman is currently working at Impossible Industries, LLC as a Freelance contractor on various projects.^[5] Grossman's father was born Jewish^[6] and his mother was raised Anglican.^[7]

Grossman started his career in the game industry by replying to a classified ad in The Boston Globe in May 1992 that led him to Looking Glass Studios, where in System Shock he pioneered the audio log technique for storytelling in narrative games. Grossman has worked with DreamWorks Interactive, Ion Storm, and Crystal Dynamics, and served as Director of Game Design and Interactive Story at Magic Leap.

Grossman is the author of the novel Soon I Will Be Invincible, which was published by Pantheon Books in 2007.^[4] His second book, entitled YOU, debuted in April 2013.^[8] His third novel, Crooked, came out in July 2015.^[9]