Kunnathur Taluk is an administrative region in Kollam district, Kerala, with its headquarters at Sasthamkotta. The taluk comprises 7 villages: Kunnathur, Mynagappally, Poruvazhy, Sasthamkotta, Sooranad North, Sooranad South, and West Kallada. It covers an area of about 138 km² and has a population of approximately 199,456 as per the 2011 Census.
