George Raymond Richard Martin (born George Raymond Martin; September 20, 1948), also known as G.R.R.M., is an American author, television writer, and television producer. He is best known as the author of the series of epic fantasy novels A Song of Ice and Fire, which was adapted into the Primetime Emmy Award-winning television series Game of Thrones (2011–2019) and its prequel series House of the Dragon (2022–present). He also helped create the Wild Cards anthology series and contributed to worldbuilding for the video game Elden Ring (2022).

In 2005, Lev Grossman of Time called Martin "the American Tolkien," and in 2011, he was included on the annual Time 100 list of the most influential people in the world. Martin has lived in Santa Fe, New Mexico, for a long time, where he helped fund Meow Wolf and owns the Jean Cocteau Cinema. The city commemorates March 29 as George R. R. Martin Day.