Andri Snær Magnason (born 14 July 1973) is an Icelandic writer. He has written novels, poetry, plays, short stories, and essays. His work has been published or performed in more than 30 countries.

He was awarded the Icelandic Literary Prize in 1999 for the children's book and play Blue Planet, and again in 2006 for the non-fiction book Dreamland, a critique of Icelandic industrial and energy policy.

He was a candidate in the 2016 Icelandic presidential election.