A structure for fixing a connector to a fixing portion includes the connector and the fixing portion. The fixing portion includes a bracket and a fitting portion. The bracket is erected on the fixing portion. The connector includes a lock portion configured to, when the bracket is inserted into the lock portion by attaching the connector to the fixing portion, lock the bracket. The fitting portion is configured such that a part of the connector is fitted into the fitting portion when the connector is attached to the fixing portion. The bracket may be integrally molded with the fixing portion molded with a resin. The fitting portion may have a hole portion running along a fitting direction in which the connector is attached to the fixing portion, and a slit may be formed in the fitting portion.