An interferometric fiber optic hydrophone probe for an array comprises a protection tip, a tip, a sensitization coating, an elastic fiber carrying cylinder, a support skeleton, an optical device placing shaft, a sound insulation protection sleeve, screws and glue injection grooves. The protection tip, the tip, the sensitization coating, the elastic fiber carrying cylindes and the support skeletonform a sound wave pickup portion of the probe, and the sound wave pickup portion of the probe is used for carrying and protecting sensitive optical fibers and is good in hydrophobicity and sonolucency. The optical device placing shaft, the sound insulation protection sleeve and the glue injection grooves form a protection portion of a probe optical device, and the protection portion of the probe optical device is good in pressure resistance. Bend insensitive fibers with small bending diameters and an optical device with a small size are selected for the probe, an optical device placing structure in a marble pillar form is employed, and a fixing flange is designed on the sound insulation protection sleeve. The interferometric fiber optic hydrophone probe for an array greatly saves space usage of an optical device, achieves miniaturization of a probe, enables the volume of the fiber optic hydrophone to be smaller when the fiber optic hydrophone organizes an array, and is higher in maneuverability.