This Thesis discusses the Responsibility of Local Government of West Kalimantan Province in Running Bumd Shareholder Function (Study At PT Bank Kalbar In Pontianak). The approach method used in this research is normative. From the results of this thesis research obtained the conclusion that the existence of local company PT. Bank Kalbar on the one hand is still potential to contribute in increasing the local income of West Kalimantan, because with the current efforts and other business opportunities that can be developed in West Kalimantan to be capital for the company PT. Bank Kalbar to improve its performance, but it is realized that it still needs to be done various improvements, both concerning the legal aspects and management of its management. Factors that cause the Regional Company PT. Bank Kalbar has not maximally contributed to the increase of West Kalimantan's original revenue, among others, is business management ie the company has not managed professionally by applying the principles of good corporate governance (Good Coorporate Governance); There has been no business development, ie there has been no innovation in exploring the potential of open business in the region