Mark XIV or Mark 14, often abbreviated "Mk.", may refer to the 14th version of a product, frequently military hardware.

Mark XIV or Mark 14 may refer to:

• Mark XIV bomb sight, developed by the 1942 Royal Air Force
• Mark 14 nuclear bomb, an American experimental thermonuclear weapon
• Mark 14 torpedo, a 1930 US Navy weapon plagued with development problems in World War II
• Mk 14 Enhanced Battle Rifle, an American military selective fire battle rifle
• Mk XIV (type 379), a Supermarine Spitfire variant
• Type 467 Wellington GR Mark XIV, a Vickers Wellington variant
• Martin-Baker Mk 14 NACES ejection seat

• Mark 14 and Mark XIV, the fourteenth chapter of the Gospel of Mark in the New Testament of the Christian Bible
• MK14, a 1977 microcomputer kit sold by Science of Cambridge

• All pages with titles containing Mark XIV
• All pages with titles containing Mark 14

This disambiguation page lists articles associated with the title Mark XIV.
If an internal link led you here, you may wish to change the link to point directly to the intended article.