The Order of Saint Prince Lazar (Serbian: Орден Светог кнеза Лазара, romanized: Orden Svetog kneza Lazara) was a royal order created by King Alexander I of Serbia to commemorate the five hundredth anniversary of the Battle of Kosovo that took place on the 28 June 1389.

The order is named after Prince Lazar who commanded the Serbian armies in the battle.

The order of Saint Prince Lazar was instituted by the Decision of the Parliament, signed by the King Aleksandar I, to commemorate the fifth centenary of the Battle of Kosovo (28 June 1389), that ended in the collapse of the medieval Serbian state.

Saint Prince Lazar, of the Hrebeljanović family, commanded the Serbian armies that were defeated by the Ottoman Sultan Murat I.

The commemoration of the 500th Anniversary took form of the Anointment of the King, and the Collar of Saint Prince Lazar ordered to be made by Nicolaus und Dunker of Hannau (Germany).