Cameroon-Central African Republic: Cameroon has deployed military troops to the border to counter intrusions from armed militias and bandits
 
Cameroon-Nigeria: Nigeria recognized Cameroon's sovereignty over the Bakassi Peninsula in 2006 and in completed the transfer of administration in 2013, although there are occasional, mostly local disputes in the area; the the majority of the land boundary was demarcated by 2019 with UN assistance, although there are few disagreements on the precise location of the boundary; the porous border is susceptible to crossings by the Boko Haram and Islamic State of Iraq and ash-Sham - West Africa terrorist groups, both of which operate in Northern Nigeria 

Suriname-Brazil: none identified

Suriname-France (French Guiana): in March 2021, Suriname and France signed an agreement to establish their border along the Maroni River and its tributary the Lawa River and to cooperate in combatting illegal gold mining; however, the area further south between the Litani and Marouini Rivers is still disputed, with Suriname claiming the border is along the Marouini to the east and France arguing it is along the Litani River to the west

Suriname-Guyana: the two countries dispute the territory between two rivers, known as the New River Triangle, with Suriname contending that the New River (also called the Upper Corentyne) to the west marks their common border, while Guyana asserts that the Kutari River to the east forms the border; each side claims that their river is the source of the Corentyne River that forms a border further north between the two countries; the Permanent Court of Arbitration settled the maritime boundary between Suriname and Guyana in 2007 in an area with potentially substantial oil reserves