'''Robert Lyon''' may refer to: * Robert Menli Lyon (1789–1874), early settler in Western Australia * Robert Lyon (politician) (1829–1888), Canadian politician in Ontario * Robert Adam Lyon (1829–1901), Canadian businessman and politician * Robert Lyon (duellist) (1812–1833), last Canadian killed in a duel * Robert Lyon (journalist) (1810–1858), English-American journalist and newspaper editor and publisher * Robert W. Lyon (1842–1904), American politician, mayor of Pittsburgh, Pennsylvania * Robert Lyon (British Army officer) (1923–2019), British general * Bob Lyon (born 1955), American politician from Kansas
==See also== *Robert Lyons (disambiguation)
{{hndis|Lyon, Robert}} {{DEFAULTSORT:Lyon, Robert}}