Thiruvendran "Thiru" Vignarajah (born December 18, 1976) is an American lawyer and politician. He previously was Deputy Attorney General of Maryland. He is a litigation partner at the law firm DLA Piper in Baltimore. He has also been the lead attorney for the State of Maryland in the post-conviction appeals of Adnan Syed, who was controversially convicted of murder in the high-profile 1999 killing of Hae Min Lee. He has run for Baltimore City attorney twice, and also for Mayor. He was defeated in the primary every time.