Roberto Leal Monteiro

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| image = Leider van Angolese leger Luitenant kolonel Roberto Monteiro (bijnaam Ngongo) ti, Bestanddeelnr 932-0893.jpg

| caption = Monteiro in 1982

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| office1 = Ambassador of Angola to Russia

| term_start1 = 1999

| term_end1 = 2006

| predecessor1 = Luís Doukoui de Castro

| successor1 = Samuel Tito Armando

| office2 = Minister of the Interior

| term_start2 = 2006

| term_end2 = 2010

| predecessor2 = Osvaldo Serra Van-Dúnem

| successor2 = Sebastião J.A. Martins

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| nationality = Angolan

| party = MPLA

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General Roberto Leal Monteiro, nicknamed Ngongo, is Home Affairs Minister of Angola, a top governmental position in that country.{{cite web|url=http://www.reliefweb.int/rw/RWB.NSF/db900SID/PANA-7CGF7A?OpenDocument |title=Angola: Disarming of civilians in four phases - Angola | ReliefWeb |publisher=Reliefweb.int |date=2008-03-06 |accessdate=2014-08-04}}{{cite web|url=http://www.reliefweb.int/rw/rwb.nsf/db900SID/KHII-7BD2XD?OpenDocument |title=Angola: Home Ministry to intensify civilians disarming action - Angola | ReliefWeb |publisher=Reliefweb.int |date=2008-01-30 |accessdate=2014-08-04}} He is — along with fellow "top generals" Higino Carneiro, João Maria de Sousa, Hélder Vieira Dias, and Kundi Paihama — one of the military leaders holding top ministerial posts for the Popular Movement for the Liberation of Angola, the political party that has ruled Angola since it gained its independence from Portugal in 1975.{{cite web|url=http://www.africafiles.org/article.asp?ID=16918 |title=Private security companies and a parallel State in Angola |publisher=AfricaFiles |date= |accessdate=2014-08-04}}