Sundiver is a 1980 science fiction novel by American writer David Brin. It is the first book of his first Uplift trilogy, followed by Startide Rising in 1983 and The Uplift War in 1987.

Glen David Brin is an American science fiction author. He has won the Hugo, Locus, Campbell and Nebula Awards. His novel The Postman was adapted into a 1997 feature film starring Kevin Costner.