Barry Allen

Barry Allen or Allan 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 (1928–1962), New Zealand cricketer, an Otago representative cricketer
• Barry Allan (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 Allan, British musician, member of the band The Snap Elect