WrestleMania XIX was the 19th annual WrestleMania professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE). It featured wrestlers from the promotion's Raw and SmackDown! brand divisions. The event took place at Safeco Field in Seattle on March 30, 2003, becoming the first WrestleMania held in the state of Washington. A record-breaking 54,097 fans from all 50 states and numerous countries around the world at Safeco Field resulted in ticket earnings of $2.76 million. WrestleMania XIX was the first WrestleMania to be promoted under the WWE name after the promotion was renamed from World Wrestling Federation (WWF) in May 2002. It was also the first WrestleMania to take place after WWE introduced the brand extension in March 2002. The official theme song for the event was "Crack Addict" by Limp Bizkit, who appeared at the event to perform the song; the band also performed their song "Rollin' " during The Undertaker's entrance.

WrestleMania is a professional wrestling event held annually between mid-March and mid-April by the American company WWE, the world's largest professional wrestling promotion. Since premiering in 1985, 40 events have been held, with its most recent 40th edition occurring at Lincoln Financial Field in Philadelphia, Pennsylvania on April 6 and 7, 2024. WrestleMania was WWE's first-ever pay-per-view (PPV) produced and is the most successful and longest-running professional wrestling event in history. The event has been broadcast through traditional PPV since 1985 and has been available via livestreaming since WrestleMania XXX in 2014, which was WWE's first major event available through this medium. WrestleMania was conceptualized by former WWE executive chairman Vince McMahon and named by ring announcer and WWE Hall of Famer Howard Finkel. It is the company's flagship event and along with Royal Rumble, SummerSlam, Survivor Series, and Money in the Bank, it is referred to as one of the "Big Five", WWE's five biggest annual events of the year.