Blast or The Blast may refer to:

• Explosion, a rapid increase in volume and release of energy in an extreme manner
• Detonation, an exothermic front accelerating through a medium that eventually drives a shock front
• A planned explosion in a mine, quarry or other situation in order to fragment rock

• Blast (1997 film), starring Andrew Divoff
• Blast (2000 film), starring Liesel Matthews
• Blast (2004 film), an action comedy film
• Blast! (1972 film) or The Final Comedown, an American drama
• BLAST! (2008 film), a documentary about the BLAST telescope
• A Blast, a 2014 film directed by Syllas Tzoumerkas

• Blast (British magazine), a 1914–15 literary magazine of the Vorticist movement
• Blast (U.S. magazine), a 1933–34 American short-story magazine
• The Blast (magazine), a 1916–17 American anarchist periodical

• Blast (American band), a hardcore punk band
• Blast (Russian band), an indie band
• Blxst, an American rapper
• Blast, a Danish band with which Hanne Boel performed
• Blast (album), by Holly Johnson, 1989
• The Blast (album), by Yuvan Shankar Raja, 1999
• "The Blast" (song), by Reflection Eternal, 2001
• "Blast", a song by Momoiro Clover Z, 2017

• BLAST (protocol), file transfer software
• BLAST (telescope), Balloon-borne Large Aperture Submillimeter Telescope
• BLAST (biotechnology), Basic Local Alignment Search Tool, an algorithm used in bioinformatics
• Blast cell or precursor cell, in cytology, a type of partially differentiated, usually unipotent cell
• Blast disease, a disease of cereal crops
• Blast injury, a complex type of physical trauma resulting from direct or indirect exposure to an explosion
• BLAST network, a proposed rapid transit system for Hamilton, Ontario, Canada
• Bell Laboratories Layered Space-Time, a transceiver architecture
• FreeX Blast, a German paraglider design

• Blast! (comics), a 1991 British comic
• Blast! (musical), a 2001 Broadway musical
• Blast! Entertainment, a defunct video game developer and publisher
• C. L. Blast (1934–2016), recording name of Clarence Lewis
• Bangladesh Legal Aid and Services Trust
• Bus Line Service of Turlock (BLAST), the former name for the public bus service operated by Turlock Transit in Turlock, California, US
• Blast Premier, a Counter-Strike esports league
• Blast TV, a Philippine Internet-based TV and streaming service

• Blaster (disambiguation)
• Blasting (disambiguation)
• Blast Off (disambiguation)