Electric junction box for vehicle

An electric junction box for a vehicle includes a housing including a connector housing configured to be fitted to a counterpart connector, a plurality of connector terminals being provided in the connector housing, a joint busbar accommodated in the housing, the joint busbar integrally including a plurality of terminals configured to be respectively connected to ground terminals of the counterpart connector, the plurality of terminals being provided as a part of the plurality of connector terminals, and a conductive member supported by the housing and configured to be grounded to a vehicle body. The joint busbar includes a plate-shaped connection piece connected to the conductive member. The conductive member includes an elastic connection portion that is in elastic contact with the connection piece.