243 (disambiguation)
243 or variant, may refer to:
Date and time
Places
- 243 Ida, a main-belt asteroid, the 243rd asteroid registered
 - 243P/NEAT (Comet NEAT 243), a periodic comet, the 243rd periodical registered
 - Lebo–Waverly USD 243, Kansas, USA; a unified school district, #243
 - NA-243 (Karachi East-II), Pakistan; a national assembly constituency
 - Collholme No. 243, Alberta, Canada; a municipal district
 
Transportation
- ARO-243, a 4x4 offroad vehicle from ARO (Auto Romania)
 - DR Class 243, German electric locomotive class
 - Tupolev Tu-243, Soviet unmanned reconnaissance aircraft
 - Highway 243, several highways
 - Flight 243 (disambiguation), several airline flights
 
Ships with pennant 243
- HMS Trent (K243), a British Royal Navy River-class frigate
 - HMS Scotsman (P243), a British WWII Royal Navy S-class submarine
 - HMIS Bengal (J243), a WWII Indian Navy Bathurst-class corvette
 - USS Sands (DD-243), a WWII U.S. Navy Clemson-class destroyer
 - USS J. Richard Ward (DE-243), a WWII U.S. Navy Edsall-class destroyer escort
 - USS Illusive (AM-243), a WWII U.S. Navy minesweeper
 - USS Bream (SSK-243), a WWII U.S. Navy Gato-class submarine
 - USNS Sgt. Archer T. Gammon (T-AK-243), a WWII U.S. Navy auxiliary Boulder Victory-class cargo ship
 
Military units 243
- No. 243 Squadron RAF (UK)
 - 243rd Aviation Company, U.S. Army (USA)
 - VMSB-243, Marine Scout Bombing Squadron (USA)
 - 243rd Air Traffic Control Squadron USAF (USA)
 - 243 Provost Company, Royal Military Police (UK)
 - 243 (The Wessex) Field Hospital, Royal Army Medical Corps (UK)
 - 243 Construction Squadron, Royal Engineers (UK)
 - 243rd Guards Motor Rifle Regiment, Red Army; a Soviet Cold War unit
 - 243rd Rifle Division, NKVD, Red Army; a Soviet unit in WWII
 - 243rd Static Infantry Division (Wehrmacht), WWII Germany
 - 243rd Coast Artillery (United States), Rhode Island National Guard interwar unit
 - 243d Aero Squadron, U.S. Army Air Corps, an interwar unit
 - 243rd Battalion, CEF, WWI Canadian Army unit
 - 243rd Infantry Division (German Empire), WWI
 
Weaponry
- M243 smoke grenade launcher (model 243)
 - .243 calibre for firearms 
- .243 Winchester rifle round
 - .243 Winchester Super Short Magnum (.243 WSSM), rifle rounds
 
 
Communications
- +243; the calling code for the Democratic Republic of the Congo, the country once known as Zaire.
 - 243 AM, 243 kHz in AM radio
 - 243 MHz (UHF Guard frequency), an aircraft emergency frequency for military aircraft.
 
Isotope 243
Other uses
See also
- All pages with titles beginning with 243
 - All pages with titles containing 243