An object information acquiring apparatus, which includes: a photoacoustic measuring unit configured to acquire characteristic information of an object based on an acoustic wave that is generated in the object by irradiating light to the object an operation acquiring unit configured to acquire information that represents an operation performed by an operator using an input unit and a control unit configured to control measurement by the photoacoustic measuring unit, wherein the control unit is configured to enable the measurement by the photoacoustic measuring unit when the operation acquiring unit receives a plurality of operations to instruct a start of the photoacoustic measurement based on the information representing the operation, and to disable the measurement by the photoacoustic measuring unit when the operation acquiring unit does not receive the plurality of operations.
