• Nock - the notch in the end of an arrow
• Nock - to mount an arrow to a bow (when used as a verb)
• Nock - members of the Nock family of gunsmiths in England
• Henry Nock (1741–1805) - gunsmith who also founded Wilkinson Sword in 1772
• Samuel Nock - gunsmith
• Nock gun - especially Nock's volley gun used by the Royal Navy
• Albert Jay Nock
• Oswald Stevens Nock (1905–1994) - engineer and railway historian
• Vicesimus Nock (1752–1821) - teacher and writer

See also

• Knock
• Nauck
• Nok