Dina Meyer (born December 22, 1968) is an American actress. She began her career appearing in a recurring role on the Fox teen drama series Beverly Hills, 90210 (1993–94), before landing a leading role opposite Keanu Reeves in the 1995 film Johnny Mnemonic.
Meyer has acted in the films Dragonheart (1996), Starship Troopers (1997), Bats (1999), D-Tox (2002), and Star Trek: Nemesis (2002). She played Detective Allison Kerry in the Saw film franchise. On television, Meyer starred as Barbara Gordon/Oracle/Batgirl in the short-lived series Birds of Prey (2002–03) and was a regular on Secret Agent Man (2000) and Point Pleasant (2005). She appeared as Kellie in the dystopian movie Amerigeddon in 2016.