Active

• HMS Landsort (M71)
• HMS Arholma (M72)
• HMS Koster (M73)
• HMS Kullen (M74)
• HMS Vinga (M75)
• HMS Ven (M76)
• HMS Ulvön (M77)

• HMS Styrsö (M11)
• HMS Spårö (M12)
• HMS Skaftö (M13)
• HMS Sturkö (M14)

• HMS Spårö (M12)
• HMS Sturkö (M14)

• HMS Koster (M73)
• HMS Kullen (M74)
• HMS Vinga (M75)
• HMS Ven (M76)
• HMS Ulvön (M77)

Decommissioned

• HMS Sökaren (47)
• HMS Sveparen (48)
• HMS Sveparen (49)

• HMS Starkodder (51)
• HMS Styrbjörn (52)

• HMS Arholma (53)
• HMS Landsort (54)
• HMS Bremön (55)
• HMS Holmön (56)
• HMS Sandön (57)
• HMS Ulvön (58)
• HMS Bredskär (59)
• HMS Grönskär (60)
• HMS Ramskär (61)
• HMS Örskär (62)
• HMS Koster (63)
• HMS Kullen (64)
• HMS Vinga (65)
• HMS Ven (66)

• HMS Gåssten (M31)
• HMS Norsten (M32)
• HMS Viksten (M33)
• HMS Orust (M41)
• HMS Tjörn (M42)
• HMS Hisingen (M43)
• HMS Blackan (M44)
• HMS Dämman (M45)
• HMS Galten (M46)
• HMS Gillöga (M47)
• HMS Rödlöga (M48)
• HMS Svartlöga (M49)

Coastal minesweepers

• HMS Hanö (M51)
• HMS Tärnö (M52) - omklassad till vedettbåt 1979
• HMS Tjurkö (M53) - omklassad till vedettbåt 1979
• HMS Sturkö (M54) - omklassad till vedettbåt 1979
• HMS Ornö (M55) - omklassad till vedettbåt 1979
• HMS Utö (M56)

• HMS Arkö (M57)
• HMS Spårö (M58)
• HMS Karlsö (M59)
• HMS Iggö (M60)
• HMS Styrsö (M61)
• HMS Skaftö (M62)
• HMS Aspö (M63)
• HMS Hasslö (M64)
• HMS Vinö (M65)
• HMS Vållö (M66)
• HMS Nämdö (M67)
• HMS Blidö (M68)

M-series

• HMS M1 (1937)
• HMS M2
  HMS M2
  HMS M2 was a Royal Navy aircraft-carrying submarine shipwrecked in Lyme Bay, Dorset, Britain, on 26 January 1932. She was one of three M-class boats completed.Four M-class submarines replaced the order for the last four K-class, K17-K21...
  
   (1937)

• HMS M3
  HMS M3
  HMS M3, built by Armstrong Whitworth, Newcastle Upon Tyne was an M class submarine of the Royal Navy.M3 was ordered from Armstrong Whitworth on 28 July 1916 and laid down at Elswick in December as an M-class submarine, but was referred to as K20. She was launched on 19 October 1919, and...
  
   (1940)
• HMS M4
  HMS M4
  HMS M4 was an M-class submarine of the Royal Navy built by Armstrong Whitworth, Newcastle Upon Tyne, and laid down in 1917. M4 was cancelled and sold as an incomplete hulk on 30 November 1921.- References :...
  
   (1940)
• HMS M5 (1940)
• HMS M6 (1940)
• HMS M7 (1940)
• HMS M8 (1941)
• HMS M9 (1940)
• HMS M10 (1940)
• HMS M11 (1940)
• HMS M12 (1941)
• HMS M13 (1940)
• HMS M14 (1941)

M15 - M26

• HMS M15
  HMS M15
  HMS M15 was a First World War Royal Navy M15-class monitor. She was sunk off Gaza by on November 11, 1917.-Design:Intended as a shore bombardment vessel, M15s primary armament was a single 9.2 inch Mk X gun which had been held as a spare for the and . In addition to her 9.2 inch gun, she...
  
   (1941)
• HMS M16
  HMS M16
  HMS M16 was a First World War Royal Navy M15-class monitor.-Design:Intended as a shore bombardment vessel, M16s primary armament was a single 9.2 inch Mk X gun which had been held as a spare for the and . In addition to her 9.2 inch gun, she also possessed one 12 pounder and one six pound...
  
   (1941)
• HMS M17
  HMS M17
  HMS M17 was a First World War Royal Navy M15-class monitor.-Design:Intended as a shore bombardment vessel, M17s primary armament was a single 9.2 inch Mk X gun which had been held as a spare for the and . In addition to her 9.2 inch gun, she also possessed one 12 pounder and one six pound...
  
   (1941)
• HMS M18
  HMS M18
  HMS M18 was a First World War Royal Navy M15-class monitor.-Design:Intended as a shore bombardment vessel, M18s primary armament was a single 9.2 inch Mk X gun which had been held as a spare for the and . In addition to her 9.2 inch gun, she also possessed one 12 pounder and one six pound...
  
   (1941)
• HMS M19
  HMS M19
  HMS M19 was a First World War Royal Navy M15-class monitor.-Design:Intended as a shore bombardment vessel, M19s primary armament was a single 9.2 inch Mk VI gun removed from the HMS Edgar . In addition to her 9.2 inch gun she also possessed one 12 pounder and one six pound anti-aircraft gun...
  
   (1941)
• HMS M20
  HMS M20
  HMS M20 was a First World War Royal Navy M15-class monitor.-Design:Intended as a shore bombardment vessel, M20s primary armament was a single 9.2 inch Mk VI gun removed from the HMS Gibraltar . In addition to her 9.2 inch gun she also possessed one 12 pounder and one six pound anti-aircraft...
  
   (1941)
• HMS M21
  HMS M21
  HMS M21 was a First World War Royal Navy M15-class monitor. After service in the Mediterranean and the Dover Patrol, she struck a mine off Ostend in January 1918 and sank off Dover.-Design:...
  
   (1941)
• HMS M22
  HMS M22
  HMS M22 was a First World War Royal Navy M15-class monitor. Later converted to a minelayer and renamed HMS Medea , she was wrecked whilst being towed for breaking up on 2 January 1939.-Design:...
  
   (1941)
• HMS M23
  HMS M23
  HMS M23 was a First World War Royal Navy M15-class monitor. After service in the Mediterranean and the Dover Patrol, she was also served in the British intervention in Russia in 1919...
  
   (1941)
• HMS M24
  HMS M24
  HMS M24 was a First World War Royal Navy M15-class monitor. After service in the Dover Patrol, she was also served in the British intervention in Russia in 1919. She was sold in mercantile service in 1920.-Design:...
  
   (1941)
• HMS M25
  HMS M25
  HMS M25 was a First World War Royal Navy M15-class monitor. She was also served in the British intervention in Russia in 1919, and was scuttled in the Dvina River on the 16th September, 1919.-Design:...
  
   (1941)
• HMS M26
  HMS M26
  HMS M26 was a First World War Royal Navy M15-class monitor.-Design:Intended as a shore bombardment vessel, M26s primary armament was a single 9.2 inch Mk VI gun removed from the HMS Edgar . In addition to her 9.2 inch gun she also possessed one 12 pounder and one six pound anti-aircraft gun...
  
  (1941)