C14

C14, C.XIV or C-14 may refer to:

Science and technology

• IEC 60320 C14, a polarised, three pole socket electrical connector
• Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx (ICD-10 code), a head and neck cancer
• Caldwell 14, in the constellation Perseus
• Carbon-14 (¹⁴C), a radioactive isotope of carbon
  • C-14 dating, a method for dating events

Transportation

• Autovía C-14, a highway in Catalonia, Spain
• Fokker C.XIV, a 1937 Dutch reconnaissance seaplane
• HMS C14, a 1908 British C-class submarine
• LSWR C14 class, a London and South Western Railway locomotive class
• LNER Class C14, a class of British steam locomotives
• Ramal C-14, the Argentinian track of the Salta–Antofagasta railway
• Sauber C14, a 1995 racing car
• C 14-class missile boat, a light missile boat of catamaran design
• Boeing YC-14, an American experimental transport aircraft of the 1970s
• Kawasaki 1400GTR or Concours 14, a 1,352cc motorcycle

Other uses

• 14th century
• C14 Timberwolf, a Canadian .338 Lapua sniper rifle
• C14 (Ukrainian group), a radical nationalist group in Ukraine
• French Defence (Encyclopedia of Chess Openings code)
• Bill C-14, a bill legalizing euthanasia in Canada