Jaka Mgwabi Mwambi (1950-2019) alikuwa mwanasiasa na mwanadiplomasia wa Tanzania, aliyepata kuwa mkuu wa mkoa wa Rukwa, Tanga na Iringa na makamu katibu mkuu wa Chama cha Mapinduzi. hadi pale nafasi yake ilipochukuliwa na aliyekuwa mbunge wa Newala, mnamo mwezi Novemba 2007. Mwambi aliteuliwa kuwa balozi wa Tanzania nchini Urusi tarehe 21 Julai 2008 akawasilisha hati za utambulisho wa ubalozi kwa rais wa Urusi Dmitry Medvedev tarehe 18 Septemba 2008. "Tanzania Praises Cuban Cooperation", Juventud Rebelde, 22 February 2007. Retrieved on 2021-05-25. Archived from the original on 2011-07-18.  Deputy Minister of Foreign Affairs Alexander Saltanov Meets with Newly Appointed Tanzanian Ambassador to Moscow Jaka Mwambi (Press release). Ministry of Foreign Affairs (Russia). 24 July 2008. Archived from the original on 2011-06-14. https://web.archive.org/web/20110614165741/http://www.ln.mid.ru/brp_4.nsf/e78a48070f128a7b43256999005bcbb3/65e5565d01d899dac325749000577d41?OpenDocument. Retrieved 2008-10-11. "Dmitry Medvedev accepted the letters of credentials of 12 foreign ambassadors.", The Kremlin, Moscow: Presidential Press and Information Office, 18 September 2008. Retrieved on 2021-05-25. Archived from the original on 2012-02-22.