Bob, Bobby, Robbie or Robert Allen may refer to:
Composers Robert William Otto Allen (1852–1888), Danish pianist, composer and conductor Robert Allen (song composer) (1927–2000), American pianist and arranger
Performers Robert Allen (actor) (1906–1998), American stage, film and television actor Robbie Allen (musician), American bassist and guitarist Robert Marlow (Robert Allen, 1961–2022), English singer and musician
Politicians Robert Allen (Tennessee politician) (1778–1844), American congressperson Robert Allen (Virginia politician) (1794–1859), American congressperson Robert Allen (Irish politician), MP for Carysfort in County Wicklow Robert E. Lee Allen (1865–1951), American congressperson from West Virginia Robert Allen (Ontario politician) (1888–1969), Canadian member of Legislative Assembly of Ontario Robert G. Allen (1902–1963), American congressperson from Pennsylvania Robert E. Allen (politician) (1924–2014), American legislator in Colorado Bob Allen (Pennsylvania politician) (born 1945), American state legislator Bob Allen (Florida politician) (born 1958), American state legislator
Sportsmen Baseball Bob Allen (shortstop) (1867–1943), American baseball player and manager Al Elliott (Robert Allen, 1894–1975), American football halfback and baseball center fielder Bob Allen (1930s pitcher) (1914–2005), American right-hander in National League, 1937 Bob Allen (1960s pitcher) (1937–2023), American League left-hander, 1961–67 Robbie Allen (baseball) (born 1959), American baseball player and coach
Basketball Bob Allen (basketball) (1946–2025), American power forward Bobby Allen (basketball) (born 1969), Canadian point and shooting guard
Football Bob Allen (Australian footballer) (1908–1992), player with Fitzroy in VFL Bob Allen (footballer, born 1916) (1916–1992), English winger Robert Allen (British Army officer) (1886–1981), English forward and British Army major-general
Other sports Bobby Allen (racing driver) (1943–2025), American racer of winged sprint cars Robert Allen (boxer) (born 1969), American middleweight Bobby Allen (ice hockey) (born 1978), American defenseman in NHL
Writers Bob Allen (surgeon) (1772–1805), English journalist and surgeon Robert S. Allen (1900–1981), American investigative journalist Robert Porter Allen (1905–1963), American ornithologist and environmentalist Robert Thomas Allen (1911–1990), Canadian humorist Robert Livingston Allen (1916–1982), American educator and linguist Robert Allen (poet) (1920–2007), English author of 1994's Canny Bit Verse in Northumbrian dialect Robert L. Allen (1942–2024), American activist and academic Robert Allen (lexicographer) (born 1944), British lexicographer and author Bob Allen (economic historian) (born 1947), American professor of economic history at Oxford University
Others Robert Allen (criminal) (born 1996), American man convicted for the murder of XXXTentacion Robert Allen (general) (1811–1886), American Civil War Union general Robert Calder Allen (1812–1903), English naval captain Robert Allen (Baptist minister) (1847–1927), Welsh clergyman in Glamorganshire Robert E. Allen (telecommunications executive) (1935–2016), American CEO and chairman of AT&T Bobbie R. Allen (1922–1972), American aviator and government official
See also Bobbie Allen (disambiguation) Robert Allan (disambiguation) Bert Allen (disambiguation)