This is a list of naval guns of all countries ordered by caliber. Diameter (mm) Weapon name Country of origin Period Breda Model 35 World War II Madsen 20 mm cannon World War II 20 mm Oerlikon World War II - Cold War20 mm PolstenWorld War II - Cold War 2 cm/65 C/30 World War II 20 mm akan m/40 (Bofors 20 mm automatic gun L/70 model 1940)World War II - Cold War 25 mm akan m/32 (Bofors 25 mm automatic gun L/64 model 1932) Interwar - Cold war 1-inch Nordenfelt gun 1880s - 1890s Type 96 25 mm AT/AA Gun World War II 25 mm/76 (1") 84-KM World War II 25 mm/79 (1") 110-PM (gun) 2M-3/8 twin over & under Cold War 25 mm/60 Type 61 Cold War - Modern Mauser BK-27 Modern 1.1"/75 caliber gun World War II Mk44 Bushmaster II Modern CRN 91 Naval Gun Modern DS30B rapid fire cannon Modern Oerlikon Millennium 35 mm Naval Revolver Gun System Modern Cannone-Mitragliera da 37/54 (Breda) World War II Canon de 37 mm Modèle 1925 World War II QF 1-pounder pom-pom World War I - World War II 3.7 cm SK C/30 World War II 3.7 cm FlaK 36 World War II 37-mm air-defense gun M1939 (61-K) World War II - Cold War 37 mm kan M/98 (Finspång 37 mm naval gun L/35 model 1898) Sweden-Norway1890s - Cold War37 mm kan M/98B (Finspång 37 mm naval gun L/39 model 1901) Sweden-Norway1900s - Cold War38 mm kan M/84 (Nordenfelt 1½In fast shooting naval gun L/43 model 1884) Sweden-Norway1880s - World War I40 mm ubakan m/32 (Bofors 40 mm submarine automatic gun L/43 model 1932)1930s - Cold War 40 mm akan m/36 (Bofors 40 mm automatic gun L/60 model 1936) 1930s - Modern 40 mm akan m/48 (Bofors 40 mm automatic gun L/70 model 1948)Cold War - Modern QF 2-pounder naval gun World War I - World War II 45 mm anti-aircraft gun (21-K) World War II 45 mm/78 (1.77") SM-7 Quad Cold War - Modern47 mm kan M/83 (Stafsjö 47 mm Engström fast shooting naval gun L/22 model 1883) Sweden-Norway1880s - World War I47 mm kan M/95 (Finspång 47 mm fast shooting naval gun L/55 model 1895) Sweden-Norway1880s - World War I QF 3 pounder Hotchkiss Mk I, Mk II World War I - World War II QF 3 pounder Vickers World War I - World War II QF 3 pounder Nordenfelt World War I - World War II 5 cm SK L/40 gun World War I - World War II 5.2 cm SK L/55 gun World War I - World War II QF 6 pounder Hotchkiss 8 cwt Mk I, Mk II World War I QF 6 pounder Nordenfelt 1880s - 1920s QF 6 pounder 10 cwt gun Mk I World War II S-60 Cold War 57 mm/75 (2.24") AK-725 (ZIF-72) twin Cold War - Modern 57 mm/78.7 (2.24") SM-24-ZIF & ZIF-31 Cold War 57 mm/81 (2.24") ZIF-71 and ZIF-75 single & Quad Cold War 57 mm kan M/89 (Maxim-Nordenfelt 57 mm fast shooting naval gun L/48 model 1889) Sweden-Norway1890s - World War I57 mm kan M/89B (Finspång 57 mm fast shooting naval gun L/55 model 1889) Sweden-Norway1890s - Modern57 mm kan M/92 (Maxim-Nordenfelt 57 mm fast shooting naval gun L/48 model 1892) Sweden-Norway1890s - Cold War57 mm kan M/95 (Finspång 57 mm naval gun L/26 model 1895) Sweden-Norway1890s - Cold War57 mm kan M/16 (Bofors 57 mm naval gun L/21 model 1916)World War I - Cold War Bofors 57 mm Naval Automatic Gun L/60Cold War Bofors 57 mm Naval Automatic Gun L/70 Cold War - Modern Canon de 65 mm Modèle 1891 World War I - World War II Škoda 7 cm guns World War I - World War II Škoda 7 cm K10 World War I - World War II 6 cm vzor 30 gun (Škoda) World War II Gonzalez Hontoria de 7 cm mod 1879 1879 - 1900s Canon de 75 modèle 1897 World War I - World War II Canon de 75 mm modèle 1924 World War II 75mm 50 caliber Pattern 1892 Russo-Japanese War - World War IIBofors 75 mm naval anti air gun L/50Interwar - World War IIBofors 75 mm naval anti air gun L/55Interwar - World War II Cannon 76/40 Model 1916World War I - World War II Cannone da 76/45 S 1911World War I - World War II 76mm/L62 Allargato Cold War - Modern Otobreda 76 mm Cold War - Modern 3"/23 caliber gun World War I - World War II 3"/50 caliber gun World War II - Cold War 3"/70 Mark 26 gun Cold War 76 mm air-defense gun M1914/15 World War I - World War II 76 mm air defense gun M1938 World War II 76.2 mm/55 (3") 34-K Pattern 1935 World War II 76.2 mm/59 (3") AK-726 Twin Cold War - Modern  mm/60 (3") AK-176 Single Cold War - Modern QF 12 pounder 12 cwt naval gun Mk I, Mk II, Mk V 1894 - 1945 QF 12 pounder 18 cwt naval gun World War I QF 14 pounder Maxim-Nordenfelt naval gun World War I QF 14 pounder naval gun Mk I & II naval gun World War I QF 3-inch 20 cwt Mk I, Mk II, Mk III, Mk IV World War I - World War II 8 cm/40 3rd Year Type naval gun World War I - World War II 8 cm/60 Type 98 naval gun World War II 8.8 cm SK L/30 naval gun World War I - World War II 8.8 cm SK L/35 naval gun World War I - World War II 8.8 cm SK L/45 naval gun World War I - World War II 8.8 cm SK C/30 naval gun World War II 8.8 cm SK C/31 naval gun World War II 8.8 cm SK C/32 naval gun World War II 8.8 cm SK C/35 naval gun World War IIBofors 8,8 cm naval anti air gun L/45Interwar - World War II Canon de 90 mm Modèle 1926 World War II Gonzalez Hontoria de 90 cm mod 1879 1879 – 1900s Cannone da 90/53 World War II RBL 20 pounder Armstrong 13 & 15 cwt 1860s Škoda 10 cm K10 World War I Canon de 100 mm Modèle 1891 1891-1945 10 cm/50 Type 88 naval gun World War II 10 cm/65 Type 98 naval gun World War II Russia / USSR 100 mm/56 (3.9") B-34 Pattern 1940 World War II - Cold War Russia / USSR 100 mm/70 (3.9") CM-5 Twin Turret World War II - Cold War French 100 mm naval gun Cold War - Modern AK-100 Naval gun Cold War - Modern 102mm 60 caliber Pattern 1911 1911 - 1980Bofors 10,2 cm submarine anti air gun L/35Interwar - World War IIBofors 10,2 cm naval anti air gun L/50Interwar - World War II BL 4 inch naval gun Mk I - VI 1880s - 1900 BL 4 inch Mk VII 50-caliber World War I - World War II BL 4 inch Mk VIII & XI 40-caliber World War I - World War II BL 4 inch Mk IX naval gun 45-caliber World War I - World War II QF 4 inch Mk I - III 40-caliber 1895 - World War I QF 4 inch Mk IV, XII, XXII 40-caliber World War I - World War II QF 4 inch Mk V naval gun 45-caliber World War I - World War II QF 4 inch Mk XVI naval gun 45-caliber World War II EOC 4 inch 50 caliber World War I - World War II QF 4 inch Mk XIX naval gun 40-caliber World War II QF 4 inch naval gun Mk XXIII 33-caliber Cold War - Borneo confrontation 4"/40 caliber gun Spanish–American War - World War I 4"/50 caliber gun World War I - World War II Cannon 102/35 Model 1914 World War I - World War II Cannon 102/45 World War I - World War II 10.5 cm SK L/35 World War I 10.5 cm SK L/40 naval gun 1900 - 1945 10.5 cm SK L/45 naval gun 1907 - 1945 10.5 cm SK C/32 naval gun 1932 - 1945 Bofors 10.5 cm model 1932 naval anti-air gun L/50Interwar - Cold War QF 4.5 inch Mk I - V naval gun 45-caliber World War II - Cold War 4.5 inch Mark 8 naval gun 55-caliber Cold War - Modern 12 cm/12 short naval gun World War II Type 3 120 mm 45 caliber naval gun World War I - World War II 12 cm/45 10th Year Type naval gun World War II 12 cm 11th Year Type naval gun World War II BL 4.7 inch /45 naval gun Mk I, Mk II 45-caliber World War I - World War II QF 4.7 inch Gun Mk I - IV 40-caliber Second Boer War - World War I QF 4.7 inch Mk V naval gun 45-caliber World War I - World War II QF 4.7 inch Mk VIII naval gun 40-caliber World War II QF 4.7 inch Mk IX & XII 45-caliber World War II 4.7-inch/50-caliber Mark 3 gun World War I QF 4.7 inch Mark XI gun 50-caliber World War II Gonzalez Hontoria de 12 cm mod 1879 1879 – 1900s Gonzalez Hontoria de 12 cm mod 1883 1883 – 1910s 120 mm Italian naval gun 1900s - World War II 120mm 45 caliber Pattern 1892 1890s - World War II 120 mm 50 caliber Pattern 1905 1905 - 1950's12 cm kan M/94 (Bofors 12 cm naval gun L/45 model 1894) Sweden-Norway1890s - Cold War12 cm kan M/11 (Bofors 12 cm naval gun L/45 model 1911)World War I - Cold War12 cm kan M/24 (Bofors 12 cm naval gun L/45 model 1924)Interwar - Cold War12 cm kan M/44 (Bofors 12 cm naval gun L/45 model 1944)Cold WarBofors 120 mm Automatic Gun L/50Cold WarBofors 120 mm Automatic Gun L/46Cold War RBL 40 pounder Armstrong gun 1860s BL 5 inch gun Mk I - V 1880s - 1900 5"/25 caliber gun 1920s - World War II 5"/31 caliber gun 1889-1910 5"/38 caliber gun 1930s - World War II - Cold War 5"/40 caliber gun Spanish–American War - World War I 5"/50 caliber gun World War I - World War II 5"/51 caliber gun World War I - World War II 5"/54 caliber Mark 16 gun Cold War - Korean War 5"/54 caliber Mark 42 gun Cold War 5"/54 caliber Mark 45 gun Cold War - Modern 5"/62 caliber Mark 45 gun Modern 12.7 cm/50 Type 3 naval gun 1928 - World War II 12.7 cm/40 Type 89 naval gun 1932 - World War II Otobreda 127/54 Compact Cold War Otobreda 127/64 Modern 12.7 cm SK C/34 naval gun 1930s - World War II Type H/PJ38 130 mm naval gun Modern 130 mm/55 B7 Pattern 1913 World War I - World War II 130 mm/50 B13 Pattern 1936 World War II - Cold War AK-130 Cold War Canon de 130 mm Modèle 1919 World War II Canon de 130 mm Modèle 1924 World War II Canon de 130 mm Modèle 1932 and 1935 World War II QF 5.25 inch Mark I World War II - Cold War Canon de 138 mm Modèle 1893 naval gun World War I Canon de 138 mm Modèle 1910 naval gun World War I - World War II Canon de 138 mm Modèle 1927 World War II Canon de 138 mm Modèle 1929 World War II - Cold War Gonzalez Hontoria de 14 cm mod 1883 1883 – 1900s BL 5.5 inch/ 50 Mk I 1914 - 1940s 14 cm/50 3rd Year Type naval gun 1914 - World War II 14 cm/40 11th Year Type naval gun 1922 - World War II Skoda 14 cm/56 naval gun 1932 - World War II Škoda 15 cm K10 World War I 15 cm Ring Kanone L/30 1883 - World War I 15 cm SK L/35 1883 - World War I 15 cm SK L/40 naval gun World War I - World War II 15 cm SK L/45 World War I - World War II 15 cm SK C/25 1930s - World War II 15 cm SK C/28 World War II 15 cm TbtsK C/36 naval gun World War II Cannon 152/32 Model 1887 1887-1910 Cannone da 152/45 World War I / World War II 152 mm /53 Italian naval gun Models 1926 and 1929 World War II 152 mm /55 Italian naval gun Models 1934 and 1936 World War II Canon de 152 mm Modèle 1930 World War II BL 6 inch 80 pounder gun 1880s - 1890s BL 6 inch gun Mk II - VI 1880s - 1900s BL 6 inch Mk VII 45-caliber World War I BL 6 inch Mk XI naval gun 50-caliber World War I - World War II BL 6 inch Mk XII naval gun 45-caliber World War I - World War II BL 6 inch naval guns Mk XIII – XVIII World War I - World War II BL 6 inch Mk XXII naval gun 50-caliber 1920s - World War II BL 6 inch Mk XXIII naval gun 50-caliber World War II QF 6 inch Mk I - III 40-caliber 1892 - 1945 Type 41 6 inch 40 caliber 1908 - 1945 15 cm/45 41st Year Type 1904 - 1945 15 cm/50 41st Year Type World War I - World War II 6 inch 35 caliber naval gun 1877 1880s - 1910s 152 mm 45 caliber Pattern 1892 1890s - 1980s15,2 cm kan M/98 (Bofors 15 cm naval gun L/42 model 1898) Sweden-Norway1890s - Cold War15,2 cm kan M/03 (Bofors 15 cm naval gun L/50 model 1903) Sweden-Norway1900s - Cold War15,2 cm kan M/30 (Bofors 15 cm naval gun L/55 model 1930)Interwar - Cold War15,2 cm kan M/42 (Bofors 15 cm naval automatic gun L/53 model 1939)World War II - Modern 6"/30 caliber gun 1900s - World War I 6"/40 caliber gun 1900s - World War I 6"/50 caliber Mark 6 and 8 guns 1900s - World War I - World War II 6"/53 caliber Mark 12, 14, 15 and 18 guns 1920s - World War II 6"/47 caliber Mark 16 and 17 gun World War II - 1970s Canon de 155 mm Modèle 1920 50-caliber World War II Advanced Gun System Modern MONARC Modern 15.5 cm/60 3rd Year Type World War II RML 64 pounder 64 cwt gun 1860s - 1880s Gonzalez Hontoria de 16 cm mod 1879 1883 – 1900s Gonzalez Hontoria de 16 cm mod 1883 1879 – 1910s Canon de 164 mm Modèle 1893 World War I - World War II 17 cm SK L/40 gun World War I - World War II 7"/44 caliber gun 1900s RBL 7 inch Armstrong gun 1860s RML 7 inch gun 1860s - 1890s Gonzalez Hontoria de 18 cm mod 1879 1879 – 1900s Gonzalez Hontoria de 18 cm mod 1883 1883 – 1910s 180mm Pattern 1931-1933 World War II Škoda 19 cm vz. 1904 World War I BL 7.5-inch naval howitzerWorld War I BL 7.5 inch Mk I naval gun 45-caliber World War I BL 7.5 inch Mk II - V naval gun various 50-caliber guns