• Parnall Heck was a 1930s British four-seat cabin monoplane
• The Heck reaction, named after Richard F. Heck
• Where the Hell is Heck? was a collection of BC comic strips.

Mathematics

• Hecke algebra
• Hecke character
• Hecke operator

People

Heck

• Alfons Heck (1928-2005) German American human rights activist
• Dieter Hecking (1964-) German football player
• Don Heck (1929–1995) American comic book artist
• Heinz Heck (1894-1982) German biologist
• Joe Heck Nevada politician
• Ludwig George Heinrich Heck called Lutz Heck (1892-1983) German zoologist
• Peter Heck American science fiction author.
• Paul Heck (producer) (1967-) American music producer
• Richard F. Heck American chemist
• Rose Marie Heck (1932-) American politician
• Victor Heck (1967-) American editor and horror fiction author

Van Hecke

• Erich Hecke (1887–1947) German mathematician
• Johan Van Hecke (born 1954) Belgian politician
• Preben Van Hecke (born 1982) road bicycle racer
• Stefaan Van Hecke Belgian politician