The Moon and the Sun is a novel by American writer Vonda N. McIntyre, published in 1997. The book combines two major genres: science fiction and historical romance. It won the Nebula Award for Best Novel in 1997, beating out A Game of Thrones by George R. R. Martin. The novel was inspired by the short story "The Natural History and Extinction of the People of the Sea", also by McIntyre, which was illustrated by fellow author Ursula K. Le Guin.

Vonda Neel McIntyre was an American science fiction writer and biologist.