There is disclosed a connector waterproof housing comprising a frame formed in a cylindrical shape having a lateral wall, an open top and an open bottom; a first waterproof portion formed in an inner rime of the lateral wall by a double-injection molding method; and a second waterproof portion formed in an outer rim of the lateral wall or one side of the frame in an ring shape so that the connector waterproof housing may solve the problem of the deteriorated waterproof reliability or the error which is caused by the pushed or rolled waterproof structure when connected with the case.