Abstract:This study endeavored to find out the effect of financial variables on bank performance pre and post financial crisis of 2008 in Pakistan. Using regression analysis the study revealed that financial crises of 2008 posed a significant influence on the performance of conventional and Islamic banks in Pakistan and pronounced a negative relationship between financial crises and bank performance. The Capital adequacy, assets quality, management quality, liquidity quality, earning quality and bank size posed a negative influence on bank performance during crises while NIM / NNIM showed no effect. Furthermore, Islamic banks affected far less as compared to conventional banks.