An adapter for a vehicle is provided to prevent loss of a cigar lighter inserted into a cigar lighter socket by including the cigar lighter socket and a charging connector in a housing. An adapter for a vehicle includes a housing(100), a cigar lighter socket, and a portable device charger. A connector(110) inserted into a vehicle socket installed in the vehicle is installed in the housing. The cigar lighter socket is embedded in the housing so as to be connected to the connector. A cigar lighter is inserted into the cigar lighter socket. The portable device charger includes a charging body embedded in the housing so as to be connected to the connector and a charging connector(200) connected to the charging body.
