Margarito "Gary" Bustaliño Teves (born August 1, 1943) is a Filipino politician who served as Secretary of the Department of Finance of the Philippines.

He was appointed to the position in July 2005 by President Gloria Macapagal Arroyo, following a mass resignation of her economic team.

Teves was appointed as Secretary of the Department of Finance in July 2005 by President Gloria Macapagal Arroyo, following a mass resignation of her economic team.

As Finance Secretary, he oversaw the Arroyo administration's aggressive attempts to decrease the government's budget deficit.

He is married to Loretto "Nini" Santos, and had three children together: Jennifer, Herminio Cirilo, and Kathyrine.