| Honorific-Prefix: | Honourable |
| Emmanuel John Nchimbi | |
| Honorific-Suffix: | MP |
| Office: | Secretary General Chama Cha Mapinduzi |
| Term Start: | 15 January 2024 |
| 1Blankname: | Chairman |
| Predecessor: | Daniel Chongolo |
| Office2: | Ambassador of the United Republic of Tanzania in Cairo, Egypt |
| Term Start2: | 2022 |
| Term End2: | August 2023 |
| Predecessor2: | Maj. Gen. (Ret) Anselm Shigongo Bahati |
| Office3: | Ambassador of the United Republic of Tanzania in Brasilia, Brazil |
| Term Start3: | 2016 |
| Term End3: | 2021 |
| Predecessor3: | Francis A. Malambugi |
| Successor3: | Adelardus Kilangi |
| Office4: | 20th Minister of Home Affairs |
| Term Start4: | 7 May 2012 |
| Term End4: | 20 December 2013 |
| Predecessor4: | Shamsi Nahodha |
| Successor4: | Mathias Chikawe |
| Office5: | Minister of Information, Culture, Sports and Youths |
| Term Start5: | 28 November 2010 |
| Term End5: | 7 May 2012 |
| President5: | Jakaya Kikwete |
| Office6: | Deputy Minister of Defence and National Service |
| Term Start6: | 13 February 2008 |
| Term End6: | 28 November 2010 |
| Minister6: | Hussein Mwinyi |
| Office7: | Deputy Minister of Labour, Employment and Youth Development |
| Term Start7: | 17 October 2006 |
| Term End7: | 13 February 2008 |
| Office8: | Deputy Minister of Information, Culture and Sports |
| Term Start8: | 6 January 2006 |
| Term End8: | 16 October 2006 |
| Office9: | Member of Parliament for Songea Town |
| Term Start9: | 2005 |
| Term End9: | 2015 |
| Predecessor9: | Lawrence Gama |
| Successor9: | Leonidas Gama |
| Birth Date: | 24 December 1971 |
| Nationality: | Tanzanian |
| Party: | CCM |
| Birth Name: | Emmanuel John Nchimbi |
Emmanuel John Nchimbi (born 24 December 1971) is a Tanzanian CCM politician and was a Member of Parliament for Songea Town constituency from 2010 to 2015. Currently, he is Chama Cha Mapinduzi General Secretary. He was the Minister of Home Affairs.[1]