- Source: K21 (disambiguation)
K21 is a South Korean infantry fighting vehicle.
K21 may also refer to:
Vehicles
Automobiles
Changhe Freedom K21, a Chinese pickup truck
Ships
HMS Dart (K21), a frigate of the Royal Navy
HSwMS Göteborg (K21), a corvette of the Swedish Navy
Soviet submarine K-21
Aircraft
Schleicher ASK 21, a two-seater training glider commonly referred to as the K21
Other uses
Gastroesophageal reflux
Lactobacillus plantarum strain K21
Uniform k21 polytope
"Va, dal furor portata", an aria by Wolfgang Amadeus Mozart
