Robert Lucas, or Bob Lucas, may refer to:

• Bob Lucas (footballer) (1925–2010), English association football goalkeeper
• Rob Lucas (born 1953), Liberal member of the South Australian Legislative Council
• Robert Lucas, 3rd Baron Lucas of Shenfield (c. 1649–1705), English nobleman and army officer
• Robert Lucas Jr. (1937–2023), American economist
• Robert Lucas (governor) (1781–1853), governor of Ohio, 1832–36, first governor of the Iowa Territory 1838–41
• Robert Lyall Lucas (1927–2009), English mycologist, botanist, and phytopathologist
• Robert S. Lucas (1930–2016), U.S. Coast Guard admiral
• Robert Slade Lucas (1867–1942), cricketer
• Robert Lucas (musician) (1962–2008), musician in the band Canned Heat
• Robert Lucas (MP), for Ipswich in 1406
• Robert Lucas (writer) (1904–1984), Austrian-born writer
• Robert Lucas (field hockey) (1922–2019), French field hockey player
• Robert Lucas (sailor) (born 1932), Indonesian Olympic sailor

• Robert Lucas de Pearsall (1795–1856), English composer

This disambiguation page lists articles about people with the same name.
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