Weird Tales is an American fantasy and horror fiction pulp magazine first published in March 1923. It ceased its original run in September 1954, after 279 issues, but has since been revived. The magazine was set up in Chicago by J. C. Henneberger, an ex-journalist with a taste for the macabre. Edwin Baird was the first editor of the monthly, assisted by Farnsworth Wright. The subgenre pioneered by Weird Tales writers has come to be called "weird fiction". The magazine's office were initially at 450 North Michigan Ave, Chicago, but later moved north to 840 North Michigan Ave.

Weird tales may refer to:

• Weird Tales, the pulp magazine
• Weird Tales (album), the second album by Golden Smog
• Weird Tales (film), a 1994 Italian film
• Weird fiction, a literary genre
• Captain America's Weird Tales, a short-lived golden age comic series