| Mostafa Adl | |
| Order1: | Minister of Culture |
| Term Start1: | 30 August 1941 |
| Term End1: | 6 August 1942 |
| Monarch1: | Mohammad Reza Shah |
| Primeminister1: | Mohammad Ali Foroughi Ali Soheili |
| Predecessor1: | Mohammad Tadayyon |
| Successor1: | Ali Akbar Siassi |
| Order2: | Minister of Justice |
| Term Start2: | 13 June 1926 |
| Term End2: | 2 June 1926 |
| Monarch2: | Reza Shah |
| Primeminister2: | Mostowfi ol-Mamalek |
| Order3: | Ambassador of Iran to Switzerland |
| Term Start3: | 1935 |
| Term End3: | 1939 |
| Predecessor3: | Abolhassan Foroughi |
| Successor3: | Abdullah Entezam |
| Birth Place: | Tabriz, Iran |
| Death Place: | Tehran, Iran |
| Profession: | Jurist, Politician[1] |
| Alma Mater: | University of Paris |
| Spouse: | Mehr-ol-molouk Hedayat (Kokab-ol-Dowleh)(a great granddaughter of Mozaffar ad-Din Shah Qajar) |
| Children: | Forough-ol-zaman, Sorour-ol-zaman, Shokouh-ol-zaman, Haideh, Ardeshir |
Mostafa Adl (Persian: مصطفی عدل, also known as Manṣur-al-Salṭana (Persian: منصورالسلطنه); 1882 – 12 July 1950) was an Iranian politician, diplomat, jurist,[2] former Ambassador of Iran to Switzerland (1935–39) and president of University of Tehran (1941–42).[3] He led the Iranian delegation to the United Nations Conference on International Organization also known as the San Francisco Conference.
During his time as the Minister of Culture of Iran, Adl was also the president of Tehran University, since the university was controlled by the ministry of culture at the time.