Robert, Bob, or Bobby Clark may refer to:

• Robert Clark (actor) (born 1987), American-born Canadian television actor
• Bob Clark (1939–2007), Canadian filmmaker
• Bob Clark (television reporter) (1922–2015), American television reporter for the ABC network
• Bobby Clark (juvenile actor) (1944–2021), American film and television actor
• Bobby Clark (comedy actor) (1888–1960), vaudevillian, performed on stage, films, television, & the circus
• Robert Clark (film executive) (1905–1984), Scottish film executive

• Robert Clark (author) (born 1952), American novelist
• Robert Clark (poet), see 1911 in poetry
• Robert Clark (academic), co-founded The Literary Encyclopedia

• Robert Clark (footballer, born 1903) (1903–1970), English footballer for Liverpool F.C.
• Bobby Clark (footballer, born 1945), Scottish footballer
• Robert Clark (footballer, born 1962), Scottish association football player
• Bobby Clark (footballer, born 2005), English footballer

• Bob Clark (catcher) (1863–1919), American baseball player
• Dell Clark (Robert Wardell Clark, 1891–1955), American baseball player
• Bob Clark (pitcher) (1897–1944), American baseball pitcher
• Bobby Clark (outfielder) (born 1955), American baseball outfielder

• Bob Clark (athlete) (1913–1976), American Olympic silver medalist in decathlon, 1936
• Robert Clark (wrestler) (born 1939), Australian Olympic wrestler
• Bobby Clark (Australian footballer) (born 1940), Australian rules footballer
• Bobby Clark (rugby union) (born 1944), Scotland international rugby union player
• Robert Clark (gridiron football) (born 1965), American football player

• Robert Clark (Australian politician) (born 1957), member of the Victorian Legislative Assembly
• Robert Clark (mayor), mayor of Lancaster, Pennsylvania, 1890–1894
• Robert Clark (New York politician) (1777–1837), member of Congress from New York
• Robert Curtis Clark (1937–2020), Canadian provincial level politician
• Robert G. Clark Jr. (born 1928), American politician from Mississippi
• Robert L. Clark (1872–?), member of the Wisconsin State Assembly

• Robert Clark (physicist), Australian chief defence scientist and academic; involved in development of Kane quantum computer
• Robert Clark (zoologist) (1882–1950), zoologist, biologist and crew member of Shackleton's Imperial Trans-Antarctic Expedition

• Robert C. Clark (born 1944), former dean of Harvard Law School
• Robert D. Clark (1910–2005), American university administrator
• Robert E. Clark II, president of Wesley College, Dover, Delaware

• Robert Clark (businessman) (1924–2013), British naval officer and businessman
• Robert Clark (exonerated convict), exonerated with help of the Georgia Innocence Project after 24 years in prison
• Robert Clark (missionary) (1825–1900), British Church Missionary Society missionary
• Robert Clark (naval architect), British yacht designer, designed British Steel
• Robert Clark, American photojournalist; see Mem Nahadr
• Bobby Clark (tenor) (?–2014), original member of the Southern Gospel Cathedral Quartet
• Robert G. Clark (born 1959), American businessman
• Robert Peter Clark, a pseudonym of murderer John List
• Robert Sterling Clark (1877–1956), American art collector, horse breeder and philanthropist
• Robert T. Clark, retired U.S. Army general, commanded U.S. Fifth Army 2003–2006
• Robert Indiana (1928–2018), American artist born Robert Clark
• Robert Clark (priest) (1907–1998), dean of Edinburgh
• Robert Clark (archivist), American archivist
• Robert F. Clark (1838–1912), American banker, political figure, and sportsman
• Robert Lindsey Clark (1864–1925), English sculptor

• Bert Clark (disambiguation)
• Robert Clarke (disambiguation)
• Robert Clerk (disambiguation)
• Clark (surname)