Kosa () is the name of several rural localities in Russia: Kosa, Kirov Oblast, a selo in Zuyevsky District of Kirov Oblast Kosa, Kosinsky District, Perm Krai, a selo in Kosinsky District of Komi-Permyak Okrug of Perm Krai Kosa, Ochyorsky District, Perm Krai, a village in Ochyorsky District of Perm Krai Kosa, Rostov Oblast, a khutor in Azovsky District of Rostov Oblast