ABSTRACT This study aimed to examine the effect of the application of accounting information systems, internal controls and environmental uncertainty on managerial performance at commercial banks government in Banda Aceh, the Bank of Aceh, BNI (Bank Negara Indonesia), BRI (Bank Rakyat Indonesia), BTN (Bank Tabungan Negara) and Bank Mandiri. The sampling method using census method. In this study useda population of30 respondents. The collecting of data and information needed in this research was done by field research.The data used is primary data collected directly from the subject of research by a questionnaire form. The testing of the influences of independent variables toward dependent variable was done by using multiple regressions model SPSS 20. The results of this research shows that both partially and simultaneously, the application of accounting information systems, internal controls and environmental uncertaintyaffect on managerial performance at commercial banks government in Banda Aceh. Keywords: managerial performance, application of accounting information systems, internal controls, and environmental uncertainty. ABSTRAK Penelitianinibertujuanuntukmengujipengaruhpenerapansisteminformasiakuntansi, pengendalian internal danketidakpastianlingkunganterhadapkinerjamanajerialpada Bank umum pemerintah di Kota Banda Aceh, yaitu Bank Aceh, BNI (Bank Negara Indonesia), BRI (Bank Rakyat Indonesia), BTN (Bank Tabungan Negara)dan Bank Mandiri.Metodepengambilansampeldilakukandenganmetodesensus.Penelitianinimenggunakanpopulasisebanyak 30 responden. Pengumpulan data dan informasi yang diperlukan dalam penelitian ini dilakukan dengan penelitian lapangan (field research). Data yang digunakan adalah data primer yang diperoleh secara langsung dari subjek penelitian dalam bentuk kuesioner. Pengujian pengaruh variabel independen terhadap variabel dependen dilakukan dengan menggunakan model regresi berganda menggunakan SPSS 20. Hasilpenelitianmenunjukkanbahwabaiksecaraparsialmaupunsimultan, penerapansisteminformasiakuntansi, pengendalian internal danketidakpastianlingkunganberpengaruhterhadapkinerjamanajerialpada Bank umum pemerintah di Kota Banda Aceh. Kata kunci: kinerjamanajerial,penerapansisteminformasiakuntansi, pengendalian internal, danketidakpastianlingkungan.