| Official Name: | Al-Thulth |
| Native Name: | الثلث |
| Settlement Type: | Sub-district |
| Pushpin Map: | Yemen |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Yemen |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Type2: | District |
| Subdivision Name1: | 'Amran Governorate |
| Subdivision Name2: | Jabal Iyal Yazid District |
| Unit Pref: | Metric |
| Population Total: | 2234 |
| Population As Of: | 2004 |
| Utc Offset: | +3 |
Al-Thulth (Arabic: الثلث) is a sub-district located in Jabal Iyal Yazid District, 'Amran Governorate, Yemen. had a population of 2234 according to the 2004 census.[1] [2] [3]