| Official Name: | Mueang Nakhon Sawan |
| Native Name: | เมืองนครสวรรค์ |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Nakhon Sawan |
| Subdivision Type2: | Tambon |
| Subdivision Type3: | Muban |
| Seat Type: | Seat |
| Seat: | Pak Nam Pho |
| Established Title: | District established |
| Population Total: | 243842 |
| Population As Of: | 2015 |
| Population Density Km2: | auto |
| Area Total Km2: | 748.27 |
| Postal Code Type: | Postal code |
| Postal Code: | 60000 |
| Blank Name Sec1: | Geocode |
| Blank Info Sec1: | 6001 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 15.705°N 100.1375°W |
Mueang Nakhon Sawan (in Thai pronounced as /mɯ̄a̯ŋ ná(ʔ).kʰɔ̄ːn sā.wǎn/) is the capital district (amphoe mueang) of Nakhon Sawan province, in central Thailand.
Neighboring districts are (from the north clockwise) Banphot Phisai, Kao Liao, Chum Saeng, Tha Tako, Phayuha Khiri, Krok Phra and Lat Yao.
The main rivers of the district are the Nan and Ping, which meet in the town of Nakhon Sawan to form the Chao Phraya. In the eastern part of the district lies the Bueng Boraphet swamp, the most important wetland of the province.
Mueang Nakhon Sawan is divided into 17 subdistricts (tambons), which are further subdivided into 172 administrative villages (mubans).
| No. | Name | Thai | Villages | Pop.[1] | |
|---|---|---|---|---|---|
| 1. | Pak Nam Pho | Thai: ปากน้ำโพ | - | 36,108 | |
| 2. | Klang Daet | Thai: กลางแดด | 7 | 3,857 | |
| 3. | Kriangkrai | Thai: เกรียงไกร | 12 | 5,818 | |
| 4. | Khwae Yai | Thai: แควใหญ่ | 5 | 2,445 | |
| 5. | Takhian Luean | Thai: ตะเคียนเลื่อน | 12 | 6,155 | |
| 6. | Nakhon Sawan Tok | Thai: นครสวรรค์ตก | 10 | 48,792 | |
| 7. | Nakhon Sawan Ok | Thai: นครสวรรค์ออก | 7 | 17,742 | |
| 8. | Bang Phra Luang | Thai: บางพระหลวง | 6 | 2,315 | |
| 9. | Bang Muang | Thai: บางม่วง | 12 | 7,746 | |
| 10. | Ban Makluea | Thai: บ้านมะเกลือ | 12 | 9,762 | |
| 11. | Ban Kaeng | Thai: บ้านแก่ง | 12 | 7,854 | |
| 12. | Phra Non | Thai: พระนอน | 15 | 8,739 | |
| 13. | Wat Sai | Thai: วัดไทรย์ | 15 | 29,675 | |
| 14. | Nong Krot | Thai: หนองกรด | 17 | 19,231 | |
| 15. | Nong Kradon | Thai: หนองกระโดน | 16 | 14,953 | |
| 16. | Nong Pling | Thai: หนองปลิง | 8 | 17,532 | |
| 17. | Bueng Senat | Thai: บึงเสนาท | 6 | 5,118 |
There is one city (Thesaban Nakhon) in the district:
There is one subdistrict municipality (thesaban tambon) in the district:
There are 16 subdistrict administrative organizations (SAO) in the district: