Nizhnyaya Pustyn () is a rural locality (a village) in Vokhtozhskoye Rural Settlement, Gryazovetsky District, Vologda Oblast, Russia. The population was 1 as of 2002.
Nizhnyaya Pustyn is located 65 km east of Gryazovets (the district's administrative centre) by road. Verhnyaya Pustyn is the nearest rural locality.