| Official Name: | Mueang Chanthaburi |
| Native Name: | เมืองจันทบุรี |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chanthaburi |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Wat Mai |
| Subdivision Type3: | Tambon |
| Subdivision Name3: | 11 |
| Subdivision Type4: | Muban |
| Subdivision Name4: | 98 |
| Established Title: | District established |
| Population Total: | 125,924 |
| Population As Of: | 2013 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 22000 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 2201 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 12.6106°N 102.1042°W |
Mueang Chanthaburi (Thai: เมืองจันทบุรี, in Thai pronounced as /mɯ̄aŋ tɕān.tʰá(ʔ).bū.rīː/) is the capital district (amphoe mueang) of Chanthaburi province, eastern Thailand.
Neighboring districts are (from the north clockwise) Khao Khitchakut, Makham, Khlung, Laem Sing, and Tha Mai of Chanthaburi Province.
Mueang Chanthaburi is divided into 11 sub-districts (tambons), which are further subdivided into 98 administrative villages (mubans).
| No. | Name | Thai | Villages | Pop.[1] | |
|---|---|---|---|---|---|
| 1. | Talat | Thai: ตลาด | - | 9,288 | |
| 2. | Wat Mai | Thai: วัดใหม่ | - | 15,009 | |
| 3. | Khlong Narai | Thai: คลองนารายณ์ | 14 | 8,053 | |
| 4. | Ko Khwang | Thai: เกาะขวาง | 9 | 14,352 | |
| 5. | Khom Bang | Thai: คมบาง | 10 | 4,305 | |
| 6. | Tha Chang | Thai: ท่าช้าง | 12 | 28,286 | |
| 7. | Chanthanimit | Thai: จันทนิมิต | 9 | 13,017 | |
| 8. | Bang Kacha | Thai: บางกะจะ | 10 | 10,529 | |
| 9. | Salaeng | Thai: แสลง | 10 | 4,987 | |
| 10. | Nong Bua | Thai: หนองบัว | 11 | 6,040 | |
| 11. | Phlapphla | Thai: พลับพลา | 13 | 12,058 |
There are three towns (thesaban mueangs) in the district:
There are seven sub-district municipalities (thesaban tambons) in the district:
There are four sub-district administrative organizations (SAO) in the district: