Heck is a minced oath for "Hell". It may also refer to:

• Heck (surname)
• Henry Wilson Allen (1912–1991), American author and screenwriter, one of whose pen names was Heck Allen
• Heck Thomas (1850–1912), American Old West lawman nicknamed "Heck"

• Heck, North Yorkshire, England
  • Heck railway station
• Heck, Dumfries and Galloway, Scotland

• Heck (band), a British rock band
• Heck: Where the Bad Kids Go, a 2008 American children's novel
• Parnall Heck, a 1930s British four-seat cabin monoplane
• NOAAS Heck (S 591), originally USC&GS Heck, a survey ship
• Heck v. Humphrey, 1994 United States civil rights case
• Heck cattle
• Heck horse
• Heck reaction, a chemical reaction that forms a substituted alkene

• Heck's, a chain of discount department stores based in West Virginia, United States