Seener (Russian: Синерь; Chuvash: Синер) is a rural locality (a village) in Alikovsky District of the Chuvash Republic, Russia, located near the district's administrative center of Alikovo and near the Cheboksary–Alikovo–Krasnye Chetai and Cheboksary–Alikovo–Yadrin auto routes. Population: 135, mostly Chuvash females; 248 (1926); 224 (1907); 156 (1859).