Bowlby is a surname. Notable people with the surname include:
April Bowlby (born 1980), American actorThomas William Bowlby (1818–1860), correspondent to The TimesAnthony Alfred Bowlby (1855–1929), British surgeon and pathologist, son of the aboveHenry Thomas Bowlby (1864–1940), Headmaster of Lancing College in the 1920sHenry Bowlby (1823–1894), Bishop Suffragan of Coventry 1891-1894John Bowlby (1907–1990), British developmental psychologist, son of the abovementioned Anthony Alfred Bowlby