The purpose of this study is to obtain empirical evidence of the influence of bank size, capital buffer and efficiency on liquidity risk. The research sample is a Conventional Commercial Bank that has a bank asset ratio value above 2% of total national banking assets and publishes financial statements in full during 2004-2019. Data analysis techniques in this study are panel data regression of EViews software. The results showed that bank size has a positive and significant influence on liquidity risk. Capital buffer has a positive and significant influence on liquidity risk. Efficiency that measured byBOPO ratio have a positive and significant influence on liquidity risk.

Keywords : Bank Size, Capital Buffer, Efficiency, Liquidity Risk