Kind of a small contest, but size isn't everything, especially on your resumé.

Sponsored by Confluence, an annual Pittsburgh, PA, science fiction convention.

$1000 US prize for best poetry chapbook -- even genre poetry.

Named for the good Doctor and administered by the magazine that still wears his name.

Ongoing short-story contest could net paperback publication.

Seeking the opening sentence to the worst of all possible novels.

Offered only to previously unpublished material.

Sponsored by the Minnesota Society for Interest in Science Fiction and Fantasy.

Hefty prizes available for unpublished fiction, poetry, and essay.

A contest for writers who have not, as of a time specified in the rules, published.

Annual contest to write a complete story in only 55 words.

The name says it all.  Rules found on a link leading from the frameset.