The Burning God is a grimdark fantasy novel by American writer R. F. Kuang and published by Harper Voyager on November 17, 2020, as the third and final installment in her Poppy War trilogy.

[1][2] R. F. Kuang states in an interview with Andrew Liptak that Rin is based on Mao Zedong.

[3] In the book, Rin is now the leader of the Southern Coalition, which is going to war with Vaisra.

[5] Publishers Weekly called the book "a satisfying if not happy end to the series.

[8][9] Library Journal commented on the book, saying that it had "terrific, flawed characters, and amazing worldbuilding.