C19 or C-19 may refer to:

Transportation

* , a member of the first group of five ships of the British Town-class light cruisers *

C-19 Alpha The Northrop C-19 Alpha was a series of three aircraft purchased from Northrop by the US Army Air Corps in 1931. They were slightly modified versions of the civil Northrop Alpha Type 2. Design and development The YC-19 aircraft were Northrop Al ...

, designation of 3 modified Northrop Alpha Type 2 aircraft purchased by the US Army Air Corps in 1931 *

Boeing C-19 The Boeing 747 is a long-range wide-body airliner designed and manufactured by Boeing Commercial Airplanes in the United States between 1968 and 2023. After the introduction of the 707 in October 1958, Pan Am wanted a jet times its size, t ...

, a military designation for the Boeing 747-100 series of aircraft * Cierva C.19, a 1929 autogyro built in England * , a 1909 British C-class submarine *

Sauber C19 The Sauber C19 was the car with which the Sauber Formula One team competed in the 2000 Formula One World Championship. It was driven by the experienced pairing of Finn Mika Salo and Brazilian Pedro Diniz, who had previously been teammates at Arro ...

, a 2000 racing car

Other uses

19th century The 19th century began on 1 January 1801 (represented by the Roman numerals MDCCCI), and ended on 31 December 1900 (MCM). It was the 9th century of the 2nd millennium. It was characterized by vast social upheaval. Slavery was Abolitionism, ...

Iceberg C-19 Iceberg C-19 is an iceberg that calved from the Ross Ice Shelf in May 2002 on a fissure scientists had been watching since the 1980s. After that the Ross Ice Shelf returned to the size it was in 1911, when it was mapped by Robert F. Scott’s ...

, an iceberg that broke off the Ross Ice Shelf in 2002 and which broke into two parts, C-19A ("Melting Bob") and C-19B, in 2003 * Caldwell 19 (

IC 5146 IC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection/ emission nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright ...

, the Cocoon Nebula), a reflection/emission nebula in the constellation Cygnus *

Carbon-19 Carbon (6C) has 14 known isotopes, from to as well as , of which only and are stable. The longest-lived radioisotope is , with a half-life of years. This is also the only carbon radioisotope found in nature, as trace quantities are formed ...

(C-19 or ¹⁹C), an isotope of carbon *

IEC 60320 C19 IEC 60320, entitled "Appliance couplers for household and similar general purposes", is a set of standards published by the International Electrotechnical Commission (IEC) that defines non-locking appliance couplers for connecting power supply c ...

, an electrical power connector *

French Defence The French Defence is a chess opening characterised by the moves: :1. e4 e6 This is most commonly followed by 2.d4 d5. Black usually plays ...c5 soon after, attacking White's and gaining on the . The French has a reputation for solidity ...

(Encyclopaedia of Chess Openings code) * Malignant neoplasm of rectosigmoid junction (ICD-10 code); See

Colorectal cancer Colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the Colon (anatomy), colon or rectum (parts of the large intestine). Signs and symptoms may include Lower gastrointestinal ...

Colt Canada C19 The Colt Canada C19 is a licence-built, Finnish-designed Tikka T3 CTR bolt-action rifle modified for the Canadian Rangers. The C19 replaced the longer and heavier Lee-Enfield No. 4 Mk.1 .303" rifles which entered service with the Canadian Army ...

standard issue bolt-action rifle of the

Canadian Rangers The Canadian Rangers () are a sub-component of the Canadian Army Reserve under Canadian Armed Forces reserves that provides a limited military presence in regions of Canada where stationing conventional Army units would not be practical or eco ...

* C19: The Society of Nineteenth-Century Americanists, an academic organization {{letter-Number Combination Disambiguation