The list of frigates by country includes all modern (post–1940) frigates organized by the country of which they were in service.

Argentina (Armada de la República Argentina)

• Azopardo class - 2 ships (1957-1973)
• Almirante Brown class - 4 ships in service 1983
• Espora class - 6 ships in service 1985

Australia (Royal Australian Navy)

• River class - 6 ships (all 6 decommissioned)
• Adelaide class - 6 ships (all 6 decommissioned)
• Anzac class - 8 ships built 1993-2004
• Hunter class - 9 ships ordered

Bangladesh (Bangladesh Navy)

• Bangabandhu class - 1 ship (Ulsan Class)
• Osman class - 1 ship (ex-Chinese 'Jianghu I' class)
• Abu Bakr class - 2 ships (Type 053H2 Class Frigate)
• Umar Faruq class - 2 ship (ex-British Salisbury class) (decommissioned)
• Hamilton class - 2 ships (ex- USCGC Jarvis and USCGC Rush)
• Type-053H class-(4 ships)(2 have been launched and 2 more are on order)

Belgium

• Wielingen class - 3 ships (sold to Bulgaria)

Brazil

• Greenhalgh class - 2 ships active (ex-UK Broadsword class (Batch 1))
• Niteroi class - 6 ships built (1975–86)
• Para class - all retired

Bulgaria

• Koni class - 1 ship (ex-Russian Delfin)
• Wielingen class - 3 ships (in Bulgarian Navy often designated as Drazki (Daring) class)

Canada (Royal Canadian Navy)

• River class — 60 ships (1943–1947, decommissioned)
  • Prestonian class — 21 ships converted from mothballed River classes (1953–1967, decommissioned)
• Loch class — 3 ships (1944–1945, returned to the UK)
• Halifax class — 12 ships (1992–present)

Chile (Armada de Chile)

• Type 22 Boxer class (Batch 2) - 1 ship, 2003
• Jacob van Heemskerck class - 2 ships, 2006
• Karel Doorman class - 2/2 ships, 2006, 2007
• Type 23 Duke class — 2/3 ships 2006, 2007, 2008

China (People's Liberation Army Navy)

• Zuhai class - 1 ship
• Jinan class - 15 ships
• Type 053H/H1 Xiamen (Jianghu I/II) class - 21 ships
• Type 053H2 Huangshi (Jianghu III) class - 3 ships
• Type 053HT-H Siping (Jianghu IV) class - 1 ship
• Type 053H1G Zigong (Jianghu V) class - 6 ships
• Type 053H2G Anqing (Jiangwei) class - 4 ships
• Type 053H3 (Jiangwei II) class - 8 ships
• Type 054 (Jiangkai I) class - 2 ships
• Type 054A (Jiangkai II) class - 22 ships (2 more are fitting out, and another 2 are under construction)

Colombia (Armada Nacional de Colombia)

• Almirante Padilla class - 4 ships

Cuba

• Tacoma class - 3 ships
• Koni class - 3 ships
• Rio Damuji class - 2 ships

Denmark (Søværnet)

• Holger Danske class - 2 ships (ex-Canadian River class)
• Esbern Snare class - 3 ships (ex-British Hunt Type II class)
• Hvidbjørnen-class [da] OPV - 4 ships, classed as ocean patrol frigates.
  • Beskytteren-ocean patrol frigate OPV. (classed as ocean patrol frigates). Later sold to Estonia and renamed EML Admiral Pitka (A230)
• Peder Skram class - 2 ships
• Thetis-class ocean patrol frigate- - 4 ships
• Absalon-class flexible support ship - 2 ships. (Arguably a support ship, armed as a frigate)
• Iver Huitfeldt class - 3 ships

Ecuador

• Eloy Alfaro class - 2 ships (ex-British Leander class)

Egypt

• Mubarak class - 4 ships (ex-US Oliver Hazard Perry class)
• FREMM Aquitaine class - 1 ship
• FREMM Bergamini class - 2 ships
• MEKO 200 class - 4 ships
• Damyat class - 2 ships (ex-US Knox class)
• Najim al Zafir class - 2 ships (ex-Chinese 'Jianghu' class)
• El Fateh class - 1 ship (ex-British destroyer Zenith)
• Tariq class - 1 ship (ex-British sloop Whimbrel)

France (Marine Nationale)

• Cassard class - 2 ships decommissioned
• Georges Leygues class - 7 ships decommissioned
• La Fayette class - 5 ships commissioned 1996
• Floreal class - 6 ships
• Commandant Rivière class - 9 ships decommissioned

Germany (Deutsche Marine)

• F120 Köln class - 6 ships retired
• F122 Bremen class - 8 ships 1980's
• F123 Brandenburg class - 4 ships 1990's
• F124 Sachsen class - 3 newest heavy frigate (replacing destroyers)
• F125 Baden-Württemberg class - 4 ships, in service by 2017 (replacing Bremen class)
• F126 MKS-180 (Mehrzweckkampfschiff 180) - 4 ordered, 2 in option, to enter service by 2028, to replace the F123 Brandenburg-class.
• F127 Future Air Defender - 4 to be ordered and replace the F124 Sachsen-class frigate, to enter service in the 2030s.

Greece (Hellenic Navy)

• Elli class - 10 ships (ex-Dutch Kortenaer class)
• Hydra class - 4 ships commissioned 1992-98

India (Indian Navy)

• Nilgiri-class frigate - 6 decommissioned
• Godavari-class frigate - 3 decommissioned
• Brahmaputra-class frigate - 3 active
• Talwar class - 6 active, 4 under construction
• Shivalik-class frigate - 3 active
• Nilgiri-class frigate (2019) - 7 under construction

Indonesia (Tentara Nasional Indonesia-Angkatan Laut)

• Riga class – 8 ships, retired 1973-1986
• Samadikun class – 4 ships (ex-US Claud Jones class), retired 2001-2009
• Martha Khristina Tiyahahu class – 3 ships (ex-UK Tribal class), retired 2000
• Ahmad Yani class – 6 ships (ex-Dutch Van Speijk class), 1 ship retired in 2019
• Martadinata class – 2 ships, (modified Sigma class), frigate variant
• Arrowhead 140 frigate – 2 under construction

Iran

• Alvand class - 3 ships
• Moudge class - 4 ships (2 more under construction)

Iraq (Iraqi Navy)

• Ibn Khaldoum class - 1 ship, sunk in 2003
• Lupo class - 4 ships planned, seized by Italy

Italy (Marina Militare)

• Centauro class - 4 ships
• Bergamini class - 4 ships
• Alpino class - 2 ships
• Lupo class - 4 ships
• Maestrale class - 8 ships
• Soldati class - 4 ships, originally built for Iraq
• FREMM Bergamini class - 10

Japan (Japanese Maritime Self-Defense Force)

• Wakaba class - 1 ship decommissioned 1971
• Asahi class - 2 ship all decommissioned 1975
• Akebono class - 1 ship decommissioned 1976
• Ikazuchi class - 2 ships decommissioned 1976 & 1977
• Isuzu class - 4 ships all decommissioned 1991 to 1993
• Chikugo class - 11 ships all decommissioned 1996 to 2003
• Ishikari class - 1 ship decommissioned 2007
• Yūbari class - 2 ships all decommissioned 2010
• Abukuma class - 6 ships commissioned 1989 to 1993
• Mogami class - 4 ships in construction as of September 2021

Libya (Libyan Navy)

• Dat Assawari 1 ship commissioned 1973 (scrapped)
• Koni class 2 ships (1 in service)

Malaysia (Royal Malaysian Navy)

• Maharaja Lela - 5 ships (6 planned, 4 building, 1 cancelled)
• Lekiu class - 2 ships
• Hang Tuah class - 1 ship (retired)
• Loch class — 1 ship (retired)
• Rahmat class - 1 ship (retired)

Mexico

• Allende class - 4 ships (ex-US Knox class)
• Bravo class - 2 ships (ex-US Bronstein class)

Montenegro

• Kotor class - 2 ships

Morocco

• Mohammed V class - 2 ships (Floreal class)

Myanmar (Myanmar Navy)

• River class - 1 ship (ex-UK HMS Fal)
• Mahar Bandoola class - 2 ships (Type 053H1 class)
• Aung Zeya class - 1 ship
• Kyan Sittha - 2 ships

Netherlands (Koninklijke Marine)

• Van Amstel class - 6 ships, 1954 (former United States Navy Cannon class)
• Van Speijk class - 6 ships, 1967-1968 (modified Leander class)
• Tromp class - 2 ships, 1975–1976
• Kortenaer class - 10 ships, 1978–1983
• Jacob van Heemskerck class - 2 ships, 1986
• Karel Doorman class - 8 ships, 1991–1995
• De Zeven Provinciën class - 4 ships, 2001–2005

New Zealand (Royal New Zealand Navy)

• Loch class — 6 ships - decommissioned
• Anzac-class frigate - 2 ships - in service since 1997
• Type 12W - 1 ship - decommissioned
• Type 12M - 2 ships - decommissioned
• Type 12L (Leander class) - 4 ships - decommissioned

Norway (Royal Norwegian Navy)

• Oslo class - 5 ships all decommissioned
• Fridtjof Nansen class, modified version of Álvaro de Bazán class - 5 ships delivered (2011)

North Korea

• Soho class - 1 ship
• Najin class - 2 ships

Pakistan (Pak Behria)

• Tariq class - 6 ships (ex-UK Amazon class) - 2 decommissioned
• Zulfiquar class - 4 ships
• Type 054AP/Tughril-class Frigate - 4 ships
• Jinnah class - 4 being built
• Alamgir class - 1 ship (ex-US (Oliver Hazard Perry class))

Peru (Marina de Guerra del Perú)

• Modified Lupo class - 4 ships
• Lupo class - 4 ships

Philippines (Hukbong Dagat ng Pilipinas)

• Buckley class - 1 ship (1960-1964)
• Datu Kalantiaw class - 3 ships (1967-2018)
• Edsall class - 1 ship (1976-1988)
• Andrés Bonifacio class - 4 ships (1976-1993)
• Gregorio del Pilar class - 3 ships (2011-present)
• Jose Rizal class - 2 ships (2020-present)

Poland (Marynarka Wojenna)

• General K. Pulaski class - 2 ships (ex-US Oliver Hazard Perry class)

Portugal Navy (Marinha Portuguesa)

• Joao Belo class - 3 ships
• Vasco da Gama class - 3 ships
• Bartolomeu Dias-class frigate - 2 ships
• Admiral Pereira da Silva class - 3 ships

Romania (Forțele Navale Române)

• Type 22 class - 2 ships
• Mărăşeşti class - 1 ship
• Rear-Admiral Eustațiu Sebastian class - 2 ships

Russia/USSR (Voyenno- Morskoy Flot)

• Admiral Grigorovich class - 4 ships (6 planned)
• Admiral Gorshkov class - 3 ships (8 planned)
• Neustrashimy class - 2 ships.
• Legky class - 2 ships
• Bessmenny class - 10 ships; possible 4 still active as of 2008
• Bditelny class - 19 ships; possibly 4 still active as of 2008
• Koni class - 1 ship sold to Bulgaria
• Mirka class - 18 ships all decommissioned
• Petya class - 37 ships 8 still active as of 2008; 6 Vietnamese & 2 Syrian.
• Riga class - 68 ships built 1950's sold to various navies
• Kola class - 8 ships all decommissioned
• Gepard class - 2 ship in service

Saudi Arabia (Saudi Navy)

• Al Riyadh class - 3 ships building ( a version of the La Fayette class)
• Al Madinah class - 4 ships

Singapore (Republic of Singapore Navy)

• Formidable class - 6 ships commissioned 2007-2009

South Africa (South African Navy)

• Loch class — 3 ships (no longer in service)
• President class - 3 ships (no longer in service - 1 sunk & 2 scrapped)
• Valour class - 4 ships (also known as MEKO A200SAN)

South Korea (Republic of Korea Navy)

• "Chungnam"class - 6 ship being built
• Incheon class - 6 ships
• Daegu class - 8 ships
• Ulsan class - 9 ships

Spain (Armada Española)

• Marte class - 2 ships
• Jupiter class - 2 ships
• Eolo class - 2 ships
• Pizarro class - 8 ships
• Atrevida class - 6 ships
• Baleares class - 5 ships (modified Knox class)
• Santa Maria class - 6 ships (Oliver Hazard Perry class, built in Ferrol, Spain.)
• Álvaro de Bazán class - 5 ships

Republic of China (Taiwan) (Republic of China Navy)

• Cheng Kung class - 7 ships
• Kang Ding class - 6 ships
• Chi Yang class - 8 ships (ex-US Knox class)
• Chien Yang class - 12 ships

Thailand (Royal Thai Navy)

• Pin Klao class - 1 ship
• Makut Rajakumarn class - 1 ship
• Chao Phraya class - 2 ships (Type 053HT class)
• Kraburi class - 2 ships (Type 053HT-H class)
• Phutthayotfa Chulalok class - 2 ships (Knox class)
• Naresuan class - 2 ships
• Bhumibol Adulyadej class - 1 ship

Turkey (Türk Deniz Kuvvetleri)

• Gaziantep class - 9 ships (Oliver Hazard Perry class)
• Muavenet class - 8 ships (Knox class)
• Tepe class - 4 ships (Knox class)
• Barbaros class - 2 ships
• Salihreis class - 2 ships (modified Barbaros class)
• Yavuz class - 4 ships
• Berk class - 2 ships

Ukraine (Ukrainian Navy)

• Krivak-class frigate — 1 ship(Scuttled in 2022 during russia-ukraine war to prevent capture)

United Kingdom (Royal Navy)

• River class — 151 ships
• Colony class — 21 ships
• Captain class — 78 ships
• Loch class — 24 ships
• Bay class — 21 ships
• Type 15 class— 23 ships
• Type 16 class— 10 ships
• Type 41 Leopard class — 4 ships
• Type 61 Salisbury class — 4 ships
• Type 12 Whitby class — 6 ships
• Type 12I Rothesay class — 9 ships
• Type 14 Blackwood class — 12 ships
• Type 81 Tribal class — 7 ships
• Type 12M Leander class (Batch 1) - 8 ships
• Type 12M Leander class (Batch 2) - 8 ships
• Type 12M broad-beamed Leander class (Batch 3) - 10 ships
• Type 21 Amazon class — 8 ships
• Type-22 Broadsword class (Batch 1) - 4 ships
• Type-22 Boxer class (Batch 2) - 6 ships
• Type-22 Cornwall class (Batch 3) - 4 ships
• Type 23 Duke class — 16 ships

United States (United States Navy)

• United States class - 6 original frigates of the US Navy 1797 to present (USS Constitution)
• Bronstein class - 2 FF ships 1963 (Transfer to Mexico actual ARM Bravo Class)
• Garcia class - 10 FF ships and 1 AGFF ship 1964 to 1968
• Brooke class - 6 FFG ships 1966 to 1968
• Knox class - 46 FF ships 1969 to 1974
• Oliver Hazard Perry class - 51 FFG ships 1977 to 1989
• Constellation class - 1 ship on order with 20 being planned total

Uruguay (National Navy of Uruguay)

• Uruguay class - 3 ships

Venezuela (Bolivarian Armada of Venezuela)

• Mariscal Sucre class - 6 ships (ex-Italian Lupo class)

Vietnam (Vietnamese People's Navy)

• Phạm Ngũ Lão (HQ-01) - 1 ship (ex-seaplane tender)
• Petya class - 5 ships
• Gepard 3.9 class - 4 ships in service (all delivered)

Yugoslavia SFR Yugoslav Navy

• Koni class - 2 ships
• Kotor class - 2 ships