Kovylkino (Russian:Ковы́лкино; Moksha:Лашма) is a town in the Republic of Mordovia, Russia, located 116 kilometers (72mi) southwest of Saransk on the left bank of the Moksha River (a tributary of the Oka). Population: 21,307(2010 Census);21,873(2002 Census);21,615(**** Census).