Order of battle at the Battle of Tsushima

First Squadron

• First Division (Admiral Heihachirō Tōgō)
  • Mikasa (Flagship) (variant of Majestic-class battleship) Captain Hihajiro Ijichi
  • Shikishima (Shikishima-class battleship) Captain Izo Teregaki
  • Fuji (Fuji-class battleship) Captain Kazu Matsomoto
  • Asahi (Variant of Shikishima class) Captain Hikohachi Yamada
  • Kasuga (Kasuga-class armoured cruiser)
  • Nisshin (Kasuga-class armoured cruiser)
  • Tatsuta (Dispatch Vessel)
• First Destroyer Division
  • Harusame (Harusame-class destroyer)
  • Fubuki (Harusame-class destroyer)
  • Ariake (Harusame-class destroyer)
  • Akatsuki (Ex-Russian destroyer Reshitel‘nyi)
• Second Destroyer Division
  • Oboro (Ikazuchi-class destroyer)
  • Inazuma (Ikazuchi-class destroyer)
  • Ikazuchi (Ikazuchi-class destroyer)
  • Akebono (Ikazuchi-class destroyer)
• Ninth Torpedo-Boat Division
  • Aotaka (Hayabusa-class torpedo boat)
  • Kari (Hayabusa-class torpedo boat)
  • Tsubame (Hayabusa-class torpedo boat)
  • Hato (Hayabusa-class torpedo boat)
• Third Division (Vice-Admiral Shigetō Dewa)
  • Kasagi (Kasagi-class protected cruiser) Captain Tanin Yamaya
  • Chitose (Kasagi-class protected cruiser)
  • Niitaka (Niitaka-class protected cruiser)
  • Otowa (variant of Niitaka-class protected cruiser)
• Fourth Destroyer Division
  • Asagiri (Harusame-class destroyer)
  • Murasame (Harusame-class destroyer)
  • Shirakumo (Shirakumo-class destroyer)
  • Asahio (Shirakumo-class destroyer)

Each carrying 8 x 100 lb Mines

Second Squadron

• Second Division (Vice-Admiral Hikonojō Kamimura)
  • Izumo (Flagship) (Izumo-class armoured cruiser)
  • Azuma (Armoured cruiser) Rokuro Yashiro
  • Tokiwa (Asama-class armoured cruiser) Captain Reijiro Kawashima
  • Yakumo (Armoured cruiser)
  • Asama (Asama-class armoured cruiser)
  • Iwate (Izumo-class armoured cruiser)
  • Chihaya (Dispatch Vessel)
• Fifth Destroyer Division
  • Shiranui (Murakumo-class destroyer)
  • Murakumo (Murakumo-class destroyer)
  • Yugiri (Murakumo-class destroyer)
  • Kagero (Murakumo-class destroyer)
• Third Destroyer Division
  • Shinonome (Murakumo-class destroyer)
  • Usugumo (Murakumo-class destroyer)
  • Kasumi (Akatsuki-class destroyer)
  • Sazanami (Ikazuchi-class destroyer)
• Fourth Division (Rear-Admiral Sotokichi Uryu)
  • Naniwa (Naniwa-class protected cruiser)
  • Takachiho (Naniwa-class protected cruiser)
  • Akashi (Suma-class protected cruiser)
  • Tsushima (Niitaka-class protected cruiser)

Third Squadron

• Fifth Division (Vice-Admiral Shichirō Kataoka)
  • Itsukushima (Flagship) (Matsushima-class protected cruiser)
  • Chin'en (Rebuilt ex-Chinese turret ship Zhenyuan)
  • Matsushima (Matsushima-class protected cruiser)
  • Hashidate (Matsushima-class protected cruiser)
  • Yaeyama (Dispatch Vessel)
• Eleventh Torpedo-Boat Division
  • No. 73
  • No. 72
  • No. 74
  • No. 75
• Sixth Division (Rear-Admiral Togo Masaji)
  • Suma (Suma-class protected cruiser)
  • Chiyoda (protected cruiser)
  • Akitsushima (2nd class protected cruiser)
  • Izumi (2nd class protected cruiser)
• Tenth Torpedo-Boat Division
  • No. 43
  • No. 42
  • No. 40
  • No. 41
• Fifteenth Torpedo Boat Division
  • Hibari (Hayabusa-class torpedo boat)
  • Sagi (Hayabusa-class torpedo boat)
  • Hashitaki (Hayabusa-class torpedo boat)
  • Uzura (Hayabusa-class torpedo boat)

Battle Fleet

• First Division (Vice-Admiral Zinovy Rozhestvensky)
  • Knyaz Suvorov (Flagship) (Borodino-class battleship) Captain Vasily V. Ignatsius
  • Imperator Aleksandr III (Borodino-class battleship) Captain Nikolai M. Bukhvostov
  • Borodino (Borodino-class battleship) Captain Petr. I. Serebrennikov
  • Oryol (Borodino-class battleship) Captain Nikolai V. Jung
• Second Division (Rear-Admiral Baron Dmitry von Fölkersam - deceased before the battle)
  • Oslyabya (Peresvet-class battleship) Captain Vladimir I. Bir
  • Sissoi Veliky (Battleship) Captain Mikhail V. Oserov
  • Navarin (Variant of Trafalgar-class battleship) Captain Baron B.A. Fitingof
  • Admiral Nakhimov (Variant of Imperieuse-class armoured cruiser)
• Third Division (Rear-Admiral Nikolai Nebogatov)
  • Imperator Nikolai I (Imperator Aleksandr II-class battleship) Captain V. V. Smirnov
  • General Admiral Graf Apraksin (Admiral Ushakov-class coastal defence ship) Captain N. G. Liwin
  • Admiral Seniavin (Admiral Ushakov-class coastal defense ship) Captain S. J. Grogoryev
  • Admiral Ushakov (Admiral Ushakov-class coastal defense ship) Captain V.N. Miklukha-Maklai
• Attached Cruisers
  • Zhemchug (Izumrud-class protected cruiser)
  • Izumrud (Izumrud-class protected cruiser)
• First Cruiser Division (Rear-Admiral Oskar Enkvist)
  • Oleg (Bogatyr-class protected cruiser)
  • Aurora (Pallada-class protected cruiser)
  • Dmitrii Donskoi (Armoured cruiser)
  • Vladimir Monomakh (Armoured cruiser)
• Second Scouting Division
  • Svetlana (Protected cruiser)
  • Ural (Armed merchant cruiser)

Destroyer Flotilla

• First Destroyer Division
  • Byedovy
  • Buiny
  • Bravy
  • Buistry
• Second Destroyer Division
  • Blestyashchy
  • Bezuprechny
  • Bodry
  • Gromky
  • Grozny

Transport Squadron

• Auxiliaries
  • Almaz (Armed Yacht classified as 2nd class cruiser)
  • Anadyr (Transport/Merchant Ship)
  • Irtuish (Transport/Merchant Ship)
  • Kamchatka (Repair Ship)
  • Koreya (Ammunition Ship)
  • Rus (Fleet Tug)
  • Svir (Fleet Tug)
  • Oryol (Hospital Ship)
  • Kostroma (Hospital Ship)