| Issa Kalantari | |
| Order1: | Vice President of Iran Head of Department of Environment |
| Term Start1: | 13 August 2017 |
| Term End1: | 3 October 2021 |
| President1: | Hassan Rouhani |
| Predecessor1: | Masoumeh Ebtekar |
| Successor1: | Ali Salajegheh |
| Office2: | Minister of Agriculture |
| Term Start2: | 20 September 1988 |
| Term End2: | 14 January 2001 |
| President2: | Ali Khamenei Akbar Hashemi Rafsanjani Mohammad Khatami |
| Primeminister2: | Mir Hossein Mousavi |
| Predecessor2: | Abbas Ali Zali |
| Successor2: | Mahmoud Hojjati (Merged in Jihad of Construction Ministry) |
| Birthname: | Isa Kalantari |
| Birth Place: | Marand, East Azerbaijan Province, Iran |
| Occupation: | Politician |
| Profession: | Agricultural engineer |
| Alma Mater: | Urmia University University of Nebraska-Lincoln Iowa State University |
| Nationality: | Iranian |
| Party: | Executives of Construction Party |
| Signature: | Isa Kalantari Signature.svg |
Issa Kalantari (Persian: عیسی کلانتری, born 1952 in Marand, East Azerbaijan) is an Iranian politician and former vice president, former head of Urmia Lake Restoration Program, and the former head of Department of Environment, serving from 2017 to 2021. He served as minister of agriculture in last year of Khamenei's presidency, in both terms of Rafsanjani's presidency and also in first term of President Khatami.
Isa Kalantari lost his elder brother, Mousa, in Hafte Tir bombing on 28 June 1981.
He has a BSc degree of agriculture from Urmia University, MSc of Physiology-Biochemistry from University of Nebraska, and PhD in agricultural physiology from Iowa State University.[1] He was a member of the Center for Strategic Research in the Expediency Discernment Council.[2] In 2001, he founded Iran's House of Farmers and has been serving as its director since then.