Isidor Zuckermann (May 21, 1866 – 1946) was an Austrian businessman. He was born near Kamianets-Podilskyi in the Podolia Governorate of the Russian Empire (modern-day Ukraine), and emigrated with his family to the United Kingdom in 1939. He died in Keswick, Cumbria in 1946. He is interred in St. John's Church Cemetery, Keswick.