The 2003 Philippine Basketball Association (PBA) Samsung-Invitational Championship, was the second conference of the 2003 PBA season. It started on July 27 and ended on August 23, 2003. The tournament features three guest foreign teams from Korea, China and Yugoslavia along with the Philippine national team. The Alaska Aces captured their 11th PBA title by beating the Coca Cola Tigers, 2-1, in their best-of-three finals series. Brandon Cablay won on his first Finals MVP in Invitational Cup Championship.