Nizhnyaya Omka is the name of several rural localities situated within the Nizhneomsky District of the Omsk Oblast region in Russia. These settlements are distributed across different administrative divisions within the same district.
One locality, classified as a selo, is located in the Nizhneomsky Rural Okrug. A second locality, identified as a village, is situated in the Solovetsky Rural Okrug of the same district.