| Official Name: | Usug |
| Native Name: | Усуг Усугъ |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Dagestan#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Republic of Dagestan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Kurakhsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 41.6667°N 82°W[1] |
Usug (Aghul: Усугъ /uˈsuh/; Lezghian: Усар, Russian: Усуг) is a rural locality (a selo) and the administrative centre of Usugsky Selsoviet, Kurakhsky District, Republic of Dagestan, Russia. The population was 314 as of 2010.[2] There are 4 streets.[3]
Usug is located 19 km northwest of Kurakh (the district's administrative centre) by road and 15 km southeast of Richa village in the valley of Aqarletsw river. Gelkhen and Kvardal are the nearest rural localities.[4]
Aghul people live there. The majority of villagers are part of eight families called tukhums. Previously in early historical periods each tukhum occupied certain area or neighborhood of village, but in recent times mixing of occupied areas happened has happened. Families of Usug village: Tariqkhar (Тарихъар), Ibayar (Ибаяр), 'alirar (ГӀалирар), Maharamar (Магьарамар), Kattirar (Каттирар), Tyurkiyar (Туьркийар), Ta'liyar (ТӀагӀлийар), 'arabar (ГӀарабар).
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People of Usug village speaks in Keren (Richa) dialect of Aghul language. Together with villages Kvardal, Ukuz and Xveredzh they form Usug speech of Keren dialect which slightly differs from Bedyuk and Richa speeches.