Disclosed is a touch sensing device for preventing touch sensing performance from being reduced by a parasitic capacitance. The touch sensing device includes a plurality of buffers buffering a difference between a reference signal and a reception signal received from a touch electrode through a touch sensing line and generating first and second currents corresponding to a buffered signal, a plurality of current mirror unit respectively connected to the plurality of buffers, a plurality of filter circuits generating a first filter signal and a second filter signal by removing common noise included in a first output signal output from an nth current mirror unit of the plurality of current mirror units and a second output signal output from an (n−1)th current mirror unit of the plurality of current mirror units, and a plurality of integrators respectively connected to the plurality of filter circuits.