Bolsheboldinsky District () is an administrative district (raion), one of the forty in Nizhny Novgorod Oblast, Russia. Municipally, it is incorporated as Bolsheboldinsky Municipal District. It is located in the southeast of the oblast. The area of the district is . Its administrative center is the rural locality (a selo) of Bolshoye Boldino. Population: 12,035 (2010 Census); The population of Bolshoye Boldino accounts for 42.2% of the district's total population.
The district was established in 1929.