Barry Allen

Barry Allen may refer to:


 * Flash (Barry Allen), the second fictional character named The Flash, a superhero in the DC Comics universe
 * Barry Allen (Arrowverse), the Arrowverse version of the character
 * Barry Allen (DC Extended Universe), the version of the character in the DC Extended Universe film series
 * Barry Allan (footballer) (born 1942), former Australian rules footballer who played with North Melbourne
 * Barry Allen (musician) (1946–2020), Canadian rock musician and record producer/engineer
 * Barry Allen, one of four young African American men who became victims of Bernhard Goetz's 1984 New York City Subway shooting
 * Barry Allen Ackerley (1934–2011), American businessman