Merkulayevka () is a rural locality (a settlement) in Dakhovskoye Rural Settlement of Maykopsky District, Russia. The population was 52 as of 2018. There are 3 streets.
The settlement is located in the valley of the Merkulayevka River, 47 km south of Tulsky (the district's administrative centre) by road. Novoprokhladnoye is the nearest rural locality.