Harry Mack (1902-1985) was a Southern Nevada businessman and a founder of the Jewish community in Las Vegas, Nevada. He came to Las Vegas in 1937 with his brothers Louis and Nathan "Nate" Mack. He invested in land and commercial properties and owned Main Auto Parts and a builders supply store. Mack and his brothers were founders of the Las Vegas Jewish Community Center, built in 1946, and board members of B'nai B'rith in Las Vegas.