| Official Name: | Charoen Sin |
| Native Name: | เจริญศิลป์ |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: |  Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sakon Nakhon |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Charoen Sin |
| Subdivision Type3: | Tambon |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 42375 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 47290 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 4716 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 17.5967°N 103.5656°W |
Charoen Sin (th|เจริญศิลป์,) is a district (amphoe) of Sakon Nakhon province, northeast Thailand.
Neighboring districts are (from the north clockwise) Ban Muang, Wanon Niwat and Sawang Daen Din of Sakon Nakhon Province, and Ban Dung of Udon Thani province.
The minor district (king amphoe) Charoen Sin was established on 15 February 1988, when five tambons were split off from Sawang Daen Din district.[1] It was upgraded to a full district on 4 July 1994.[2]
The district is divided into five sub-districts (tambons), which are further subdivided into 52 villages (mubans). The sub-district municipality (thesaban tambon) Charoen Sin covers parts of tambons Charoen Sin and Thung Kae. There are a further five tambon administrative organizations (TAO).
| No. | Name | Thai name | Villages | Pop. | ||
|---|---|---|---|---|---|---|
| 1. | Ban Lao | บ้านเหล่า | 13 | 11,571 | ||
| 2. | Charoen Sin | เจริญศิลป์ | 11 | 10,682 | ||
| 3. | Thung Kae | ทุ่งแก | 9 | 6,928 | ||
| 4. | Khok Sila | โคกศิลา | 8 | 4,830 | ||
| 5. | Nong Paen | หนองแปน | 11 | 8,364 |