A lid lock apparatus for a vehicle, comprising: a housing including a first body and a second body fitted to each other; a drive motor accommodated within the housing and held by the first body; a drive force transmitting mechanism (4, 5) accommodated within the housing and operated by receiving a drive force from the drive motor; a shaft member axially movably supported within the housing, one end of the shaft member being engageable with a lid member provided at a vehicle body by projecting from the housing, the other end of the shaft member receiving an operation force of the drive force transmitting mechanism (4, 5); and a connector holding portion formed at the housing and holding an external connector provided for supplying an electric power to the drive motor; characterised in that the connector holding portion includes an engagement portion (218a, 218b, 218c), a recess portion, and a cover portion, the engagement portion (218a, 218b, 218c) holding the external connector by being fitted thereto and including a bottom wall portion integrally formed at the first body, a first lateral wall portion integrally formed to extend from one end of the bottom wall portion, and a second lateral wall portion integrally formed to extend from the other end of the bottom wall portion, the recess portion being formed at one of the first lateral wall portion and the second lateral wall portion and with which an engagement hook of the external connector which is fitted to the engagement portion (218a, 218b, 218c) engages, the cover portion being integrally formed at the second body and covering the external connector fitted to the engagement portion (218a, 218b, 218c). a housing including a first body and a second body fitted to each other; a drive motor accommodated within the housing and held by the first body; a drive force transmitting mechanism (4, 5) accommodated within the housing and operated by receiving a drive force from the drive motor; a shaft member axially movably supported within the housing, one end of the shaft member being engageable with a lid member provided at a vehicle body by projecting from the housing, the other end of the shaft member receiving an operation force of the drive force transmitting mechanism (4, 5); and a connector holding portion formed at the housing and holding an external connector provided for supplying an electric power to the drive motor; characterised in that the connector holding portion includes an engagement portion (218a, 218b, 218c), a recess portion, and a cover portion, the engagement portion (218a, 218b, 218c) holding the external connector by being fitted thereto and including a bottom wall portion integrally formed at the first body, a first lateral wall portion integrally formed to extend from one end of the bottom wall portion, and a second lateral wall portion integrally formed to extend from the other end of the bottom wall portion, the recess portion being formed at one of the first lateral wall portion and the second lateral wall portion and with which an engagement hook of the external connector which is fitted to the engagement portion (218a, 218b, 218c) engages, the cover portion being integrally formed at the second body and covering the external connector fitted to the engagement portion (218a, 218b, 218c).