Benjamin Todd "Ben" Roethlisberger (born March 2, 1982), nicknamed Big Ben, is an American football quarterback for the Pittsburgh Steelers of the National Football League. He was drafted by the Steelers 11th overall in the 2004 NFL Draft. He played college football at Miami University (Oxford, Ohio).

Roethlisberger earned the AP NFL Offensive Rookie of the Year in 2004. He became the youngest Super Bowl–winning quarterback in NFL history, helping lead the Steelers, in his second professional season, to a 21-10 victory over the Seattle Seahawks in Super Bowl XL at the age of 23. He was named to his first Pro Bowl in 2007. Roethlisberger led the Steelers to a second Super Bowl title in four seasons as they defeated the Arizona Cardinals in Super Bowl XLIII, 27-23, after he made a game-winning touchdown pass to Santonio Holmes in the final 35 seconds. Roethlisberger has been one of the most efficient passers in NFL history. He currently ranks 8th all-time in NFL passer rating (90.8), 7th in yards per attempt (7.93), and 7th in completion percentage (63.41%) among quarterbacks with a minimum of 1500 career attempts. He has the 6th highest winning percentage (.704) as a starter in the regular season among quarterbacks with a minimum of 50 starts.

Known for playing outside the quarterback pocket in what he calls "backyard football", Roethlisberger is often compared to his childhood idol, former Denver Broncos quarterback John Elway, due to the similar styles and fourth-quarter comebacks. Roethlisberger also grew up idolizing Joe Montana. Roethlisberger wears number 7 in Elway's honor.