Frigates
Azerbaijan – ARG Gusar G-121 Petya Class – Project 159 LOA 268′ / 81.7 m TDISP 1,150 tons (1 active, service since 1992) Originally Soviet SKR-16 (1967-1991) Caspian Sea Flotilla until transfer. 
Bahrain – RBNS Sabha FFG-90 (1996) Oliver Hazard Perry Class LOA 453′ / 138.1 m TDISP 4,200 tons. Formerly USS Jack Williams FFG-24 (1981-1996)
Belgium – BNS Louise-Marie F-931 Karel Doorman class (2008) LOA 401’ / 122.3 m TDISP 2,800 tons. Navy of Belgium frigate formerly Netherlands HNMLS Willem van der Zaan (1991-2006)
Cuba – Rio Damuji Class LOA 351′ / 107 m TDISP 3,300 tons. Light frigate conversion. Originally two similar trawlers, built in Vigo, Spain, 1972-1977, given large helicopter flight decks aft and Styx SS-N-2 missile tubes (likely off Osa II missile boats), 25mm guns and a turret off a ZSU-57-2 self-propelled AA gun (twin 57mm guns) in the bow. (2 active, service since 2007)
Equatorial Guinea – Wele Nzas F-073 (2014) LOA 351′ / 107 m TDISP 2,500 tons Ukrainian-designed. Partially built in Varna, Bulgaria, as a Salvage and Rescue vessel, completed as as a light frigate in the Malabo drydock.
Libya – Koni II class light frigate Project 1159TR LOA 312′ / 95.1 m TDISP 1,900 tons (2 transferred from the USSR, 1 destroyed) Distinctive feature of the Libyan Koni variant is the twin P-15 Termit missiles forward of the bridge, which cuts into the deckhouse.
Al Ghardabia 213 (1986-2011) ex-SKR-195. Extensively damaged 20 May 2011 during NATO missile attack, Libyan Civil War. Vessel appears to have been towed back across Tripoli Harbor from the commercial port to the naval facility remaining upright until August (around the time the pro-Gaddafi regime forces were overthrown in Tripoli). According to wikipedia, it was subsequently attacked 9 August, and capsized. Hulk appears to be gradually being dismantled as of 2021.
Al Hani 212 (1985) ex-SKR-201. Captured by Libyan resistance fighters early in Libyan Civil War. Long refit at Malta. Became the flagship of the new (post-Gaddafi regime) Libyan navy.
Libya – Dat Assawari F-211 Vosper Thornycroft MK7 (1973-ca.2000) LOA 333′ / 101.5 m TDISP 1,780 tons. Larger version of the Iranian Alvand class. Reportedly scrapped late 1990s, but based at Tripoli, then moved to Al Khums with armament removed, and clearly not scrapped until later than 2006.
Montenegro – Kotor Class light frigate Navy of Montenegro (1986-2019) LOA 301′ / 91.7 m TDISP 1,500 tons. Based on the Soviet Koni frigate hull. Originally built for the Yugoslav Navy, in Croatia.
Nigeria – Meko 360 class NNS Aradu (1982) LOA 412′ / 125.6 m TDISP 3,360 tons. First MEKO frigate built, for the Nigerian Navy! Throughout its career, this vessel has had long periods out of service. Often in refit at Victoria Island shipyards. May become a training vessel. Other Meko 360 types in service with the Argentine Navy.
Nigeria – NNS Thunder F-90 (2011) Hamilton Class Patrol Frigate LOA 378′ / 115.2 m TDISP 3,250 tons. Formerly USCGS Chase WHEC-718 (1968-2011)
Syria – Petya Class light frigates Project 159AE (Service 1969-ca. 2018) LOA 268′ / 81.7 m TDISP 1,150 (2 retired, 1 sunk in 2018 Russian training exercise). Al Assari 12 Gun turrets remain in Tartus, Syria, sunk 2018. AI Hirasa 14 was formerly SKR-94 (1968-1969).
Uruguay
Commandant Rivière class AND João Belo class. LOA 337′ / 102.7 m TDISP 2,230 tons. (1 active, 4 scrapped, of which 3 were Commandant Rivière class). The original French Navy Commandant Rivière class frigates served in the Uruguayan Navy (1988-2008), the later Portuguese João Belo class were copies with tropicalization updates.
The Searchers 