An assessor may be:Assessor (fish), a genus of fishes Assessor (law), the assistant to a judge or magistrate Assessor (Oxford), a senior officer of the University of Oxford Assessor (property), an expert who calculates the value of property Collegiate Assessor, a civil rank in Imperial Russia Assessor (Italy), a member of the executive board in Italian local government Scabinus (disambiguation) or its various derived offices, in English translation Assessor (horse)