Mas Mansoer | |
|---|---|
 Portrait, date unknown | |
| 4th Chairman of Muhammadiyah | |
| In office 25 June 1937 – 25 April 1942 | |
| Preceded by | Hisjam bin Hoesni |
| Succeeded by | Ki Bagoes Hadikoesoemo |
| Personal details | |
| Born | 25 June 1896 Surabaya, Dutch East Indies |
| Died | 25 April 1946 (aged 49) Surabaya, Indonesia |
| Spouse |
Siti Zakijah
(m. 1937; died 1939) |
| Children | 6 |
| Alma mater | Al-Azhar University |
Mas Mansoer (EYD: Mas Mansur; 25 June 1896 – 25 April 1946) was an Indonesian religious leader who served as the 4th chairman of Muhammadiyah from 1937 to 1942. He was declared a national hero by President Sukarno in 1964.