| Modest Mero | |
| Office: | Permanent Representative of Tanzania to the United Nations Office at Geneva |
| Term Start: | 2013 |
| Term End: | 2015 |
| Appointer: | Jakaya Kikwete |
| Predecessor: | Matern Lumbanga |
| Nationality: | Tanzanian |
| Alma Mater: | University of Dar es Salaam Strathclyde Business School |
Modest Jonathan Mero is a Tanzanian diplomat. He has been Permanent Representative of Tanzania to the United Nations Office at Geneva since 2013 to 2015.[1]