Arthur Jay Finkelstein (May 18, 1945 – August 18, 2017) was a New York State-based Republican Party (GOP) consultant who had worked for conservative and right-wing candidates in the United States, Canada, Israel, Central and Eastern Europe over the past four decades.
With his brother, Ronald, he ran a political consulting and survey-research firm based in Irvington, New York.
Finkelstein's specialties were polling, strategy, message, media, ad placement, and advising on general campaign management.