Heinlein is a surname.

Heinlein may also refer to:

6371 Heinlein, an asteroid named for Dieter Heinlein, a German amateur astronomer Heinlein (crater), a crater on Mars named for Robert A. Heinlein Heinlein Society, a foundation formed to honor Robert A. Heinlein Heinlein Prize for Advances in Space Commercialization, founded by Robert Heinlein Robert A. Heinlein Award, "for outstanding published works in science fiction and technical writings to inspire the human exploration of space"