Tuanku Syed Sirajuddin ibni Tuanku Syed Putra Jamalullail (born 17 May 1943) is the current Raja of Perlis, reigning since 17 April 2000. He served as the 12th Yang di-Pertuan Agong from 13 December 2001 to 12 December 2006 and 7th Raja of Perlis since 2000.