| John Malecela | |
| Order: | 6th |
| Office: | Prime Minister of Tanzania |
| Term Start: | 9 November 1990 |
| Term End: | 5 December 1994 |
| President: | Ali Hassan Mwinyi |
| Predecessor: | Joseph Warioba |
| Successor: | Cleopa Msuya |
| Office2: | First Vice President of Tanzania |
| Term Start2: | 9 November 1990 |
| Term End2: | 5 December 1994 |
| President2: | Ali Hassan Mwinyi |
| 1Blankname2: | 2nd Vice President |
| 1Namedata2: | Salmin Amour |
| Predecessor2: | Joseph Warioba |
| Successor2: | Cleopa Msuya |
| Order3: | 5th |
| Office3: | Minister of External Affairs (Tanzania)Minister of External Affairs |
| Term Start3: | 1972 |
| Term End3: | 1974 |
| Predecessor3: | Israel Elinewinga |
| Successor3: | Ibrahim Kaduma |
| Office4: | Chancellor of Open University of Tanzania |
| President4: | Benjamin Mkapa |
| Predecessor4: | Basil Mramba |
| Successor4: | Asha-Rose Migiro |
| Birth Date: | 19 April 1934 |
| Birth Place: | Dodoma, Tanganyika |
| Nationality: | Tanzanian |
| Party: | CCM |
| Spouse: | Anne Malecela |
| Children: | Mwele Ntuli Malecela |
John Samuel Malecela (born 19 April 1934) was Prime Minister of Tanzania from November 1990 to December 1994. He served as the vice-chairman of the CCM from 1995 to 2007, and a member of the CCM Central Committee to date.
Prime Minister Malecela headed the Tanzanian delegation which participated in the first Tokyo International Conference on African Development in October 1993.[1]