Ruka (; Kaitag and Dargwa: àÃÂúÃÂð) is a rural locality (a selo) in Dzhavgatsky Selsoviet, Kaytagsky District, Republic of Dagestan, Russia. The population was 961 as of 2010. There are 4 streets.
Ruka is located 23 km southeast of Madzhalis (the district's administrative centre) by road. Dzhavgat and Dzhibakhni are the nearest rural localities.
Dargins live there.