The K18-class was a type of warship in service to the Imperial Klingon Defense Force for much of the 24th century. (TNG video game: Legacy)

Klingon starship classes
Klingonese names	Akif • B'rel • Baka Re' • Ber'taa • Besz Ra'te' • Birok • CharghwI' • Chava'Kal • ChunDab • Chuq'Beh • Chutok • D'aka • D'ama • Dath D'lan • D'esta Kar • D'Gavama • Eakin K'nall • Fek'lhr • Haqtaj • H'ban Pav • Jach'Eng • Jfolokh • Kalath • Karas • Kas Maal • K'el Ri'anda • Kh'exrilin • K'hanakh • Khitomer • Kl'ar • Klolode • Kl'sarza • Kl'xenova • K'mirra • K'nall • K'nel • Koloth • Kom Ka'des • Komo Val • Koreba • Kronos • K't'agga • K't'alla • K't'inga • K't'kara • K't'mara • K't'rika • K'vort • K'vort Cha • L'rexa • Lar'hal • Lara'atan • LI'wI' • Mas To Gal • May'Duj • Mortum Hesta • Na Ra'den • Negh'Var • NuQ'Duj • PIH • Plen Zha • PumwI' • qa'Hos • Qang • Qeh'Ral • Qexa • qeylIS betleH • QuD • Riskadh • Sivista • SuQ'jagh • SuvwI'Qeh • T'h'lar • Talat Kh'exesta • Tas'esta • Vakk • V'al'kon • V'kar Zadan • V's'talo • VoDleH • Voodieh • Vor'cha • Z'gal • Z'gavasta • Z'gavva • Z'mortama • Zha Mortas
Translated names	Accuser • Administrator • Alliance • Battle Cruiser • Bird of Prey • Bringer of Agony • Bringer of Destiny • Bringer of Destruction • Bringer of Justice • Carrier of Doom • Catapult • Chancellor • Death Boot • Death Rite • Death Stalker • Defender • Emperor • Enforcer • Ever Victorious • Fat Man • Great Bird • Grim Reaper • (Gull) • Healer • Insurrection • Little Killer • Luckless • Mender • Mover • (Murph) • One Wing • Painbringer • Pathmaker • Predator • (Raptor) • Ravenous • Relentless • Saber • Seeker • Speedstar • Stalker • Star • Stinger • Stingtongue • Strong Victor • Stronger Bird • Suspicious • Swiftwind • Sword of Kahless • Throne Seeker • Trader's Game • Truthbringer • Tugboat • Unseen Creeper • Warrior's Anger • Watcher • Winner
Alphanumeric names	B5 • D2 • D3 • D4 • D5 • D6 • D7 • (D7/D5 Klolode • D7 Akif • D7A • D7C • D7G • D7M • D7R • D7S • D7 Koloth) • D9 • D10 (bird of prey) • D10 (cruiser) • D11 • D12 (bird of prey) • D12 (cruiser) • D14 • D16 • D18 • D20 • D32 • E4 • E6 • F5 • F5B • F5C • F5G • F5GB • F5K • F5L • F5W • F5Y • F6 • FWK • FWL • FWC • G2 • G3 • G4 • G5 • G6 • G8 • K3 • K4 • K5 • K6 • K14 • K15 • K17 • K18 • K22 • (K22B) • K23 • K24 • K26 • K27 • K30 • K32 • L6 • L9 • L13 • L24 • L42 • S4 • S5 • S8 • T3 • T5 • T12
By time period or type	Birds-of-prey (22nd century bird of prey) • 23rd century scout vessel • mobile battle base • battleship • cargo ship • colony ship • construction ship • dropship • mining freighter • prison barge • repair ship • scout ship