Arnold Ilagan Atienza (Tagalog pronunciation: [ɐˈtijɛnsa]; born September 29, 1972), also known as Ali Atienza, is a politician, athlete, and newscaster in the Philippines. He was the Presidential Adviser on Youth Affairs from 2005 to 2007 and was concurrently the head of the Manila sports development office and inner city development program from 2001 to 2007. He is the youngest of two sons of former Manila Mayor Lito Atienza, the other being weatherman Kim Atienza.