Bob, Bobby, Robbie, Rob or Robert Fuller may refer to:

Academics

• Robert W. Fuller (born 1936), American president of Oberlin College
• Robert C. Fuller (born 1952), American professor of religious studies

Performers

• Robert Fuller (actor) (born 1933), American TV Western star
• Bob Fuller (1898—after 1935), American blues and jazz saxophonist and clarinetist
• Bobby Fuller (1942–1966), American rock and roll singer and guitarist
• Rob Fuller, British actor in 1991's "Miami Twice"

Sportsmen

• Robert Fuller (footballer) (born 1964), Australian rules footballer
• Robbie Fuller, British speedway racer in 1984 through 1988 British League season
• Rob Fuller (born 1973), American Chevrolet driver at 2009 NASCAR Camping World Truck Series
• Rob Fuller, English rugby lock in 2020–21's Birmingham Moseley Rugby Club

Wrestlers

• Robert Fuller (wrestler) (born 1949), American wrestler and manager, birth name Robert Welch
• Robert Fuller Jr. (born 1958), American wrestler, birth name Robert Gibson

Others

• Robert Fuller (FBI agent), American counter-terrorism agent since 1990s
• Robert E Fuller (born 1972), English wildlife artist
• Robert L. Fuller (1996–2020), African American found hanged in California