Jaafar Muhammad
| Jaafar Haji Muhammad | |
|---|---|
| 1st Menteri Besar of Johor | |
| In office 1886–1919 | |
| Preceded by | Office established | 
| Succeeded by | Mohamed Mahbob | 
| Personal details | |
| Born | 1838 Teluk Belanga, Singapore, Straits Settlements | 
| Died | 3 July 1919 (aged 80–81) Bukit Senyum, Johor Bahru, Johor | 
| Resting place | Mahmoodiah Royal Mausoleum | 
| Relations | Hussein Onn (grandson) Hishammuddin Hussein (great-grandson) Onn Hafiz Ghazi (great-great-grandson) | 
| Children | Onn Jaafar | 
Jaafar bin Haji Muhammad (Jawi: جعفر بن محمد, b. 1838 – d. 3 July 1919) D.K., S.P.M.J., C.M.G. was the first and longest serving Dato' Menteri Besar (Chief Minister) of the independent kingdom of Johor (today a state in the Federation of Malaysia), an office he held from 1886 until his death.