Robert Alan "Bob" Cashell (born April 22, 1938) is an American businessman and politician. He served as the mayor of Reno, Nevada from 2002 to 2014. He served as the 28th Lieutenant Governor of Nevada from 1983 to 1987 and on the University of Nevada System Board of Regents from 1979 to 1982. He is a member of the Republican Party and a former member of the Democratic Party.