6th Alkino (; , 6-sñ Alkin) is a rural locality (a settlement) in Dmitriyevsky Selsovet of Blagovarsky District, Russia. The population was 148 as of 2010.
6th Alkino is located 54 km west of Yazykovo (the district's administrative centre) by road. Obshchina is the nearest rural locality.
The village is inhabited by Tatars, Russians and others.