The present invention aims to improve precision of voice recognition without a troublesome operation. Thus, the present invention provides a voice recognition system including: a dictionary storage unit for storing a dictionary for voice recognition for every user; an imaging unit for imaging a user; a user identification unit for identifying the user by using the image captured by the imaging unit; a dictionary selection unit for selecting from the dictionary storage unit a dictionary for voice recognition for the user identified by the user identification unit; and a voice recognition unit for performing voice recognition for a voice of the user by using the dictionary for voice recognition selected by the dictionary selection unit.