Manuel Serifo Nhamadjo (born 1958) is a Guinea-Bissau politician who served as President of the National People's Assembly of Guinea-Bissau. He was a candidate in the abortive 2012 presidential election, placing third in the first round. Following an April 2012 military coup, he was designated as Acting President as part of a transitional arrangement.
- "14 candidatos a presidente da Guiné-Bissau" (in Portuguese). Jornal de Notícias. 2012-02-15. http://www.jn.pt/PaginaInicial/Mundo/Palops/Interior.aspx?content_id=2307087. Retrieved 2012-02-24.