Law & Order: Trial by Jury is an American legal drama television series about criminal trials set in New York City. It was the fourth series in Dick Wolf's Law & Order franchise. The show's almost exclusive focus was on the criminal trial of the accused, showing both the prosecution's and defense's preparation for trial, as well as the trial itself. The series was first announced on September 28, 2004. The series premiered on Thursday, March 3, 2005, and ended on January 21, 2006. Its regular time slot was Fridays 10/9 p.m. ET on NBC. The last episode aired on Court TV months after the series' cancellation.

Richard Anthony Wolf, known professionally as Dick Wolf, is an American film and television producer, best known for his Law & Order franchise. Since 1990, the franchise has included six police/courtroom dramas and four international spinoffs. He is also creator and executive producer of the Chicago franchise, which since 2012, has included four Chicago-based dramas, and the creator and executive producer of the FBI franchise, which since 2018, has also become a franchise after spinning off two additional series.