A liquid jet head comprising: an actuator plate on which jet channels and non-jet channels extending along a first direction are alternately arranged side by side at intervals in a second direction intersecting with the first direction; a cover plate laminated on a surface of the actuator plate, and including a liquid supply path communicating into the jet channels; drive electrodes (75, 77) formed on inner surfaces of the jet channels and the non-jet channels; and drive wires (76, 78) formed on the surface of the actuator plate outside the liquid supply path in the first direction, and connected to the drive electrodes, wherein the cover plate includes a protruding end portion (53a-53d) protruding outward in the first direction with respect to the actuator plate, and pad portions (100, 112) connected to the drive wire and connected to an external wire in the protruding end portion are formed on a portion of an actuator-side surface of the cover plate outside the liquid supply path in the first direction, wherein the drive electrodes include: common electrodes formed on the inner surfaces of the jet channels; and individual electrodes formed on the inner surfaces of the non-jet channels, the drive wires include: common wires connected to the common electrode; and individual wires bridging the individual electrodes facing each other in the second direction across the jet channel, a connection wire that collectively connects a plurality of the common wires is formed on the cover plate, and the pad portion includes: a common pad portion connected to the common wires through the connection wire; and individual pad portions connected to corresponding individual wires. an actuator plate on which jet channels and non-jet channels extending along a first direction are alternately arranged side by side at intervals in a second direction intersecting with the first direction; a cover plate laminated on a surface of the actuator plate, and including a liquid supply path communicating into the jet channels; drive electrodes (75, 77) formed on inner surfaces of the jet channels and the non-jet channels; and drive wires (76, 78) formed on the surface of the actuator plate outside the liquid supply path in the first direction, and connected to the drive electrodes, wherein the cover plate includes a protruding end portion (53a-53d) protruding outward in the first direction with respect to the actuator plate, and pad portions (100, 112) connected to the drive wire and connected to an external wire in the protruding end portion are formed on a portion of an actuator-side surface of the cover plate outside the liquid supply path in the first direction, wherein the drive electrodes include: common electrodes formed on the inner surfaces of the jet channels; and individual electrodes formed on the inner surfaces of the non-jet channels, the drive wires include: common wires connected to the common electrode; and individual wires bridging the individual electrodes facing each other in the second direction across the jet channel, common electrodes formed on the inner surfaces of the jet channels; and individual electrodes formed on the inner surfaces of the non-jet channels, the drive wires include: common wires connected to the common electrode; and individual wires bridging the individual electrodes facing each other in the second direction across the jet channel, common wires connected to the common electrode; and individual wires bridging the individual electrodes facing each other in the second direction across the jet channel, a connection wire that collectively connects a plurality of the common wires is formed on the cover plate, and the pad portion includes: a common pad portion connected to the common wires through the connection wire; and individual pad portions connected to corresponding individual wires. a common pad portion connected to the common wires through the connection wire; and individual pad portions connected to corresponding individual wires.