David "Dave" Lombardo (born February 16, 1965, in Havana, Cuba) is a Italo-Cuban American drummer and a co-founding member of the American thrash metal band Slayer. He performed with Slayer on seven albums, including their groundbreaking 1986 release Reign in Blood and their 2006 release Christ Illusion, for which he received critical praise. Lombardo's music career has spanned more than 30 years, during which he has been involved in the production of 29 commercial recordings extending over a number of genres with bands such as Grip Inc., Fantômas, Philm, and Testament in addition to Slayer.

Lombardo is most widely known as a very aggressive and exceptionally skilled heavy metal drummer. His use of the drums have been called "astonishingly innovative" and earned him the title "the godfather of double bass" from Drummer World. Over his career, he has had a significant influence on the metal scene and has inspired many modern metal drummers, particularly within both thrash metal and death metal.