Robert or Bob Hayes may refer to:
Bob Hayes (1942–2002), Olympic gold-medal sprinter and receiver for the Dallas Cowboys Robert Hayes (legal scholar) (1942–2011), Australian law scholar Robert M. Hayes (information scientist) (1926–2022), American academic Robert Hayes (seismologist) (1900–1977), New Zealand astronomer, seismologist and organist Robert E. Hayes Jr. (born 1947), American bishop of the United Methodist Church Robert W. Hayes Jr. (born 1952), Republican member of the South Carolina Senate Robin Hayes (Robert Cannon Hayes, born 1945), politician from North Carolina Robert Seth Hayes, member of the Black Liberation Army Robert H. Hayes, American professor of business administration Robert M. Hayes (lawyer) (born 1952), American attorney, founder of the Coalition for the Homeless Robert Hayes (serial killer) (born 1982), American serial killer Robert Benjamin Hayes, (1876–?), American educator J. Robert Hayes (born 1932), member of the California State Assembly
See also Robert Hay (disambiguation) Robert Hays (born 1947), American actor Robert Hays (c. 1758–1819), American settler of Nashville, Tennessee