Dear John is an American sitcom television series that aired on NBC from October 6, 1988 to July 22, 1992.

After ten years of marriage, one day he returns home and finds a Dear John letter: His wife, Wendy, is leaving him for his best friend.

When the court grants Wendy the house and custody of their son, Matthew, John moves into an apartment in the Rego Park neighborhood of Queens.

NBC launched the show two days before Empty Nest, another sitcom about a middle-aged man who recently lost his wife.

It attracted the eleventh largest audience of all prime time television programs in the United States for the 1988–89 season.