The 6th Mechanized Infantry Regiment “Saboya” (Spanish: Regimiento de Infantería Mecanizada "Saboya" nº 6) is an mechanized infantry unit in the Spanish Army.It was created as the Tercio of Savoy by Charles I on 1537, and was developed from the former Tercio of Lombardía. In 1707, by Royal Order of His Majesty Philip V of Spain, first king of the House of Bourbon in Spain, changed its name to Regiment of Savoy Nº 3.