title: List of naval anti-aircraft guns
text: # List of naval anti-aircraft guns
  
  Naval anti-aircraft guns include anti-aircraft guns specially designed or adapted for mounting on ships, and naval guns adapted for high-angle fire.
  
  | Caliber (mm) | Number of barrels | Weapon name | Country of origin | Period |
  | - | - | - | - | - |
  | 20 | 1 or 2 | Oerlikon 20 mm cannon | Switzerland | World War II |
  | 20 | 4 | Flakvierling 38 cannon | Nazi Germany | World War II |
  | 25 | 1, 2, or 3 | Type 96 25 mm AT/AA Gun | Empire of Japan | World War II |
  | 28 | 4 | 1.1"/75 (28mm) gun | United States | World War II |
  | 37 | 2 | 3.7 cm SK C/30 | Nazi Germany | World War II |
  | 40 | 1, 4, or 8 | QF 2 pdr Mk II, Mk VIII Vickers 2-pounder "pom-pom" | United Kingdom | World War I World War II |
  | 40 | 1, 2, or 4 | Bofors 40 mm gun | Sweden | World War II - Korean War - Cold War |
  | 45 | 1 or 2 | 45 mm anti-aircraft gun (21-K) | Soviet Union | World War II |
  | 76.2 | | QF 3 inch 20 cwt | United Kingdom | World War I |
  | 76.2 | | 3"/23 caliber gun | United States | World War I - 1920s |
  | 76.2 | 1 or 2 | 3"/50 caliber gun | United States | World War I - World War II - Cold War |
  | 76.2 | 2 | 3"/70 Mark 26 gun | United States | Cold War |
  | 100 | 2 | 10 cm/65 Type 98 naval gun | Empire of Japan | World War II |
  | 102 | | QF 4 inch Mk V naval gun | United Kingdom | World War I World War II |
  | 102 | 1 or 2 | QF 4 inch Mk XVI naval gun | United Kingdom | World War II - Cold War |
  | 105 | 2 | 10.5 cm SK C/33 | Nazi Germany | World War II |
  | 113 | 1 or 2 | QF 4.5 inch Mk I - V naval gun | United Kingdom | World War II - Cold War |
  | 120 | | QF 4.7 inch Mk VIII naval gun | United Kingdom | 1920s - World War II |
  | 120 | 1 or 2 | Type 10 120 mm AA Gun | Empire of Japan | 1921 - World War II |
  | 127 | | 5"/25 caliber gun | United States | 1920s - World War II |
  | 127 | 2 | 12.7 cm/40 Type 89 naval gun | Empire of Japan | 1932 - World War II |
  | 127 | 1 or 2 | 5"/38 caliber gun | United States | 1934 - World War II - Cold War |
  | 127 | | 5"/54 caliber Mark 16 gun | United States | Cold War - Korean War |
  | 127 | | 5"/54 caliber Mark 42 gun | United States | Cold War - Korean War - Vietnam War |
  | 133 | 2 | QF 5.25 inch Mark I naval gun | United Kingdom | World War II |
  | 152 | 2 | 6"/47 caliber Mark 16 gun | United States | Cold War - Korean War |
  | 152 | 2 | QF 6-inch Mark N5 gun | United Kingdom | Cold War |
  