| Baladiyah al-Ma'dher | |
| Native Name: | بلدية المعذر |
| Native Name Lang: | ar |
| Settlement Type: | Baladiyah |
| Pushpin Map: | Saudi Arabia |
| Pushpin Map Caption: | Location in Saudi Arabia |
| Pushpin Label: | Al Aziziya |
| Subdivision Type: | Country |
| Subdivision Name: | Saudi Arabia |
| Subdivision Type2: | City |
| Subdivision Name2: | Riyadh |
| Governing Body: | Riyadh Municipality |
Baladiyah al-Maʼdhar, in English as al-Maʼdhar Sub-Municipality, is a baladiyah and one of the 16 sub-municipalities of Riyadh, Saudi Arabia. It consists of 9 neighborhoods and districts, partially including al-Olaya and is responsible for their overall planning, development and maintenance.[1] [2]