Tommen Baratheon is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin, and its television adaptation Game of Thrones. Introduced in 1996's A Game of Thrones, Tommen Baratheon is the youngest son of Cersei Lannister from the kingdom of Westeros. He subsequently appeared in Martin's A Clash of Kings (1998), A Storm of Swords (2000), A Feast for Crows (2005) and A Dance with Dragons (2011). After the unexpected death of his brother Joffrey Baratheon, he is crowned king of the Seven Kingdoms, although he soon falls under the warring influences of his mother Cersei and wife Margaery.

Game of Thrones is an American fantasy drama television series created by David Benioff and D. B. Weiss for HBO. It is an adaptation of A Song of Ice and Fire, a series of fantasy novels by George R. R. Martin, the first of which is A Game of Thrones. The show premiered on HBO in the United States on April 17, 2011, and concluded on May 19, 2019, with 73 episodes broadcast over eight seasons.