[Tujuan penelitian ini adalah untuk mengetahui pengaruh Ukuran Bank (LNA),Capital Adequacy Ratio (CAR), Loans/Total Assets (LA), Loans Loss Provision(LLP), Liquid Assets/Total Assets (LQD), Deposits/Total Assets (DP), Net InterestMargin (NIM), Non Interest Income (NII) terhadap profitabilitas Bank UmumKonvensional yang terdaftar di Bursa Efek Indonesia dengan indikator ROA danROE periode 2005-2013. Data yang digunakan dalam penelitian ini diperoleh darilaporan tahunan bank yang dipublikasikan di Bank Indonesia dengan sampel 20Bank Umum Konvensional. Penelitian ini menggunakan model regresi linierberganda. Hasil dari penelitian ini menunjukkan bahwa ada pengaruh signifikanLNA, LA, LLP dan NIM terhadap ROA, namun CAR, LQD, DP dan NII tidakberpengaruh signifikan terhadap ROA. Sementara ada pengaruh signifikan LNA,LA, LLP, LQD dan NIM terhadap ROE, namun CAR, DP dan NII tidak berpengaruhsignifikan terhadap ROE., The purposes of this research is to know the influence of Bank Size (LNA), CapitalAdequacy Ratio (CAR), Loans/Total Assets (LA), Loans Loss Provision (LLP),Liquid Assets/Total Assets (LQD), Deposits/Total Assets (DP), Net Interest Margin(NIM), Non Interest Income (NII) to profitability of Conventional CommercialBanks listed in Indonesia Stock Exchange by using Return on Assets and Return onEquity period 2005-2013. The data used in this study were obtain from the bank’sannual financial report which published in Bank Indonesia official website withsample of 20 Conventional Commercial Bank’s. This research using linear regressionmethod. This result from this research indicate that LNA, LA, LLP and NIM havesignificant influence with ROA but CAR, LQD, DP and NII have unsignificantinfluence with ROA. While LNA, LA, LLP, LQD and NIM have significantinfluence with ROE but CAR, DP and NII have unsignificant influence with ROE.]