| Official Name: | Chahar Taq |
| Native Name: | چهارطاق |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Marvdasht |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mohammadabad |
| Population As Of: | 2006 |
| Population Total: | 662 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.8142°N 53.0317°W |
Chahar Taq (Persian: چهارطاق, also Romanized as Chahār Ţāq; also known as Chatak and Shamsābād-e Chahār Ţāq) is a village in Mohammadabad Rural District, in the Central District of Marvdasht County, Fars Province, Iran. At the 2006 census, its population was 662, in 149 families.