David Farmer is a sound designer.

Farmer relocated from Virginia to the Los Angeles area in 1992. By 1996, he worked at Skywalker Sound, collaborating with Chris Boyes on films such as Armageddon, Con Air, Space Cowboys, and The 13th Warrior. In 1999, Farmer moved to New Zealand to serve as the sound designer for The Lord of the Rings trilogy, followed by work on King Kong and The Hobbit trilogy.