2D Ion imaging of multielectron dissociative ionization of molecules Toshinori Suzuki and Haiyang Li Institute for Molecular Science, Myodaiji Okazaki, Japan The two-dimensional ion imaging has been applied to multielectron dissociative ionization of molecules induced by 120 fs laser pulse. The highlighted results are for N2O molecule where the central and the end N atoms are clearly discriminated and for OCS where two orientation of the molecule in the laser field are identified.