Oscar Nunez (born November 18, 1958), sometimes credited as Oscar Núñez, is a Cuban American actor and comedian.

He was a member of The Groundlings and later portrayed Dunder Mifflin's paper supply accountant, Oscar Martinez, on NBC's The Office. He also created and co-starred in the Comedy Central series Halfway Home in 2007. In 2014, he co-starred in the short-lived USA Network comedy series Benched.