| Official Name: | South Dhannapur |
| Native Name: | দক্ষিণ ধন্যপুর |
| Settlement Type: | Village |
| Pushpin Map: | Bangladesh |
| Pushpin Map Caption: | Location in Bangladesh |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Bangladesh |
| Subdivision Type1: | Division |
| Subdivision Name1: | Chittagong Division |
| Subdivision Type2: | District |
| Subdivision Name2: | Noakhali District |
| Subdivision Name3: | Chatkhil |
| Subdivision Type4: | Union Parishad |
| Subdivision Name4: | Mohammadpur Union |
| Subdivision Type5: | Ward |
| Subdivision Name5: | 4 |
| Population Total: | 1500 |
| Population As Of: | 2022 |
| Area Total Km2: | 1.5 |
| Timezone: | BST |
| Utc Offset: | +6 |
| Coordinates: | 23°N 90°W |
| Postal Code Type: | Postal code |
| Postal Code: | 3871 |
| South Dhannapur | |
South Dhannapur (bn|দক্ষিণ ধন্যপুর|South Dhannapur) is a village in Mohammadpur Union, Chatkhil Upazila, Noakhali District, Chittagong Division, Bangladesh. It is located at 23.05°N 90.9583°W. According to the 2011 Bangladesh census, Dhannapur had 228 households and a population of 1,207.[1]
During the Bangladesh Liberation War of 1971,[2] some of the people of this village were freedom fighters such as Muhammad Abul Khayr ibn Zaynul Abidin and Muhammad Abul Hashim ibn Ali Miah.[3] Abdul Matin ibn Sikandar Miah is a notable Bangladesh Nationalist Party politician from South Dhannapur.[4]
It is in close proximity to the Palla Bazar marketplace. There is an eidgah in the south side of the village.[5] The Sunrise Community Welfare Council (bn|সূর্যোদয় সমাজ কল্যাণ পরিষদ|Shurzodoy Shomaz Koillan Horishod) is a local charity operating in Southern Dhannapur.