The Karnataka State Road Transport Corporation (KSRTC) is a state-owned public road transport corporation in the Indian state of Karnataka. It is wholly owned by the Government of Karnataka. It serves routes to towns and cities in the southern part of Karnataka and connects it to the rest of the state and the states of Tamil Nadu, Kerala, Telangana, Andhra Pradesh, Maharashtra, Goa and the Union territory of Puducherry. In June 2021, Kerala State Road Transport Corporation KSRTC was awarded the acronym KSRTC by the Controller General of Patents Designs and Trade Marks, which is part of the Ministry of Commerce and Industry, Government of India when Kerala filed a case against Karnataka SRTC in response to a legal notice by the Karnataka SRTC to stop using the acronym KSRTC. As of January 2022, it has a fleet strength of 8113 buses.

Kerala State Road Transport Corporation (KSRTC) is a state-owned road transport corporation in the Indian state of Kerala. It is one of the country's oldest state-run public bus transport services. The corporation is divided into three zones, and its headquarters is in the state capital Thiruvananthapuram. Daily scheduled service has increased from 1,200,000 kilometres (750,000 mi) to 1,422,546 kilometres (883,929 mi), using 6,241 buses on 6,389 routes. The corporation transports an average of 3.145 million commuters per day.