The Mahmoodiah Royal Mausoleum () is a Royal Mausoleum of Johor located at Bukit Mahmoodiah in Jalan Mahmoodiah, Johor Bahru, Malaysia. The first Sultan of Johor buried here was Sultan Abu Bakar in 1895. Besides, the founder of UMNO, Dato' Onn Jaafar (died in 1962) was buried next to his father, Dato' Jaafar bin Muhammad's grave (died in 1919).
The Mahmoodiah Royal Mausoleum was built in 1895. The mausoleum architecture is a combination of Victorian, Moorish and local Malay styles.
Descendants of Temeggong Daeng Ibrahim