Karnataka Bank Limited (Kannada: ಕರ್ನಾಟಕ ಬ್ಯಾಂಕ್ ಲಿಮಿಟೆಡ್) is a private sector banking institution based in the town of Mangalore in Karnataka, India. The Reserve Bank of India has designated Karnataka Bank as an A1+-class scheduled commercial bank.

The bank now has a national presence with a network of some 503 branches across 20 states and 2 Union territories. It has over 5844 employees and 4.84 million customers, including farmers and artisans in villages and small towns throughout the country. Its shares are entirely privately owned by some 86,868 shareholders.

For the fiscal year ending 31 March 2011, the total interest earned was 2370.84 crores. The total income for the bank was 2662.60 crores and the expenditure, 2307.31 crores, thereby yielding a profit of 204.61 crores.

The Karnataka Bank has been striving to keep pace with advances in banking technology by adopting core banking and Internet banking, and establishing its "MoneyPlant" automated teller machine system.

The bank has the Best Bank Award for "Managing IT Risk" under small bank category for the year 2010-11, instituted by Institute for Development and Research in Banking Technology (IDRBT). Shri Anand Sinha, deputy governor, Reserve Bank of India and chairman, IDRBT presented the award to Shri P. Jayarama Bhat, managing director at a function held in Hyderabad on 4 August 2011 in the presence of Shri B. Sambamurthy, director, IDRBT.

Karnataka /kɑrˈnɑːtəkə/ is a state in South West India. It was created on 1 November 1956, with the passing of the States Reorganisation Act and this day is annually celebrated as Karnataka Rajyotsava (Formation Day). Originally known as the State of Mysore /maɪˈsɔər/, it was renamed Karnataka in 1973. It is the land of the Kannadigas, Tuluvas, Konkanis and Kodavas. The capital and largest city is Bangalore.

Karnataka is bordered by the Arabian Sea to the west, Goa to the northwest, Maharashtra to the north, Andhra Pradesh to the east, Tamil Nadu to the southeast, and Kerala to the southwest. The state covers an area of 191,976 square kilometres (74,122 sq mi), or 5.83% of the total geographical area of India. It is the eighth largest Indian state by area. With over 61 million inhabitants (2011), Karnataka is the ninth largest state by population, comprising 30 districts. Kannada is the most widely spoken and official language of the state.

The two main river systems of the state are Krishna and its tributaries (Bhima, Ghataprabha, Vedavati, Malaprabha, and Tungabhadra) in the north, and the Cauvery and its tributaries (Hemavati, Shimsha, Arkavathi, Lakshmana Thirtha and Kabini) in the south. Both these rivers flow eastward and fall into the Bay of Bengal.