Robert Cain

Robert Cain may refer to:
 * Robert Cain (brewer) (1826–1907), founder of Cains Brewery in Liverpool, England
 * Robert Henry Cain (1909–1974), Victoria Cross recipient
 * Bob Cain (1924–1997), Major League Baseball pitcher
 * Bob Cain (footballer) (1866–?), Scottish footballer
 * Bob Cain (reporter) (1934–2014), American news anchor
 * Bobby Cain (1931–2012) American racing driver
 * a pseudonym used by writer William H. Keith Jr.