| Official Name: | Matum |
| Native Name: | มะตูม |
| Settlement Type: | Subdistrict |
| Subdivision Type: | District |
| Subdivision Name: | Phrom Phiram |
| Subdivision Type2: | Province |
| Subdivision Name2: | Phitsanulok |
| Subdivision Type3: | Country |
| Subdivision Name3: | Thailand |
| Population As Of: | 2005 |
| Population Total: | 4,046 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Postal Code: | 65150 |
| Blank Name: | Geocode |
| Blank Info: | 650604 |
| Blank1 Name: | Chief roadway |
| Blank1 Info: | Route 12 |
Matum (Thai: มะตูม) is a sub-district in the Phrom Phiram District of Phitsanulok Province, Thailand. Matum is the Thai word for bael.
Matum lies in the Nan Basin, which is part of the Chao Phraya watershed.
The following is a list of the sub-district's mubans (villages):[1]
| No. | English | Thai | |
| 1 | Ban Matum | บ้านมะตูม | |
| 2 | Ban Tha Chai | บ้านท่าไชย | |
| 3 - 4 | Ban Phai Ko Nam | บ้านไผ่ขอน้ำ | |
| 5 | Ban Wang Pla Duk | บ้านวังปลาดุก | |
| 6 | Ban Laem Lat | บ้านแหลมลาด |