Robert Allison may refer to:
Robert Allison (pirate) (fl. 1679–1699), buccaneer and privateer Bob Allison (1934–1995), professional baseball player Bobby Allison (1937–2024), American NASCAR driver Bobby Allison (footballer) (1895–1948), Australian rules footballer for South Melbourne Robert Allison (Pennsylvania politician) (1777–1840), United States Representative from Pennsylvania Robert Allison (South Dakota politician) (1846–1924), South Dakota State Representative Robert Clay Allison (1841–1887), gunfighter and figure of the American Old West Robert Allison (geographer) (born 1961), British academic and vice-chancellor and president of Loughborough University Robert Andrew Allison (1838–1926), English Liberal politician Robert H. Allison (1893–1959), American politician and lawyer Bob Allison (rugby league), Australian rugby league player