Higgs searches with ATLAS

In this talk, we discuss search strategies for the Higgs boson with the ATLAS detector at the LHC. A summary of the sensitivity of ATLAS to discover a Standard Model Higgs boson will be presented in various decay channels. Some prospects for Minimal Supersymmetric Standard Model Higgs searches are also included. Furthermore, we present the latest results based on the ATLAS data collected in 2010 and 2011. Limits are given on the production cross section relative to the Standard Model and to the MSSM predictions at the 95% CL.