Thunderbird refers to several things:

• The Thunderbird is a mythical creature common to Native American religion.
• In cryptozoology, a thunderbird is a large birdlike creature.
• Thunderbird was a code-name for a variant of AMD's Athlon central processing units.
• Thunderbird is a fictional character in the Marvel Comics universe, and a member of the X-Men.
• Thunderbird is a high-speed train in Japan.
• The Ford Thunderbird is a model of automobile.
• Mozilla Thunderbird is an e-mail and news client software package based on Mozilla.
• The Thunderbirds are a demonstration flying team of the United States Air Force.
• Thunderbirds is a television series created by Gerry and Sylvia Anderson, notable for its extensive use of marionettes.
• Thunderbirds is a live-action film, released in 2004, based on the television series.
• The Fabulous Thunderbirds are a rock and roll band.
• Thunderbird is a fortified wine.
• "Thunderbird" is a song by rock band They Might Be Giants on their 2004 album The Spine.
• Thunderbirds is a computer game for the Amiga and NES platforms.
• Thunderbird - The Garvin School of International Management is a graduate school specializing in international management.
• The Thunderbird Project is a human powered helicopter project at the University of British Columbia, which was covered on Slashdot on August 6, 2004 [1] (http://science.slashdot.org/article.pl?sid=04/08/06/216214&tid=126).