Robert Fisher (MP for Arundel), 1388–1395 MP for Arundel
Robert Fisher (MP) (1465–1535), in 1529 MP for Rochester
Robert M. Fisher (1928–2007), American artist
Robert Fisher (playwright) (1922–2008), American playwright
Robert Fisher (UK academic) (born 1943), interest in teaching philosophy to children
Robert J. Fisher (born 1954), American business manager and director of Gap Inc
Robert F. Fisher (1879–1969), member of the California legislature
Rob Fisher (British musician) (1956–1999), British keyboardist and songwriter
Rob Fisher (conductor), American music director, conductor, arranger and pianist
Robert William Fisher (born 1961), American fugitive
Rob Fisher (motorcycle racer) (fl. 1990s), British motorcycle racer
Robert Fisher (journalist) (born 1948/49), Canadian radio and television journalist
Rob Fisher (barrister), New Zealand lawyer
Robert Fisher (priest) (fl. 1490s - 1510s), Canon of Windsor
Robert Fisher, member of the New Hampshire legislature
Robert Fisher (c.1957–2017), American vocalist and songwriter from Willard Grant Conspiracy