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:

Military and weaponry

• 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

Other uses

• 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

See also

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