Zachary Wayne Farro (born June 4, 1990) is an American musician, best known as the drummer for the rock band Paramore. He is the younger brother of Josh Farro, who is Paramore's former lead guitarist and backing vocalist. After he and his brother exited Paramore in 2010, Josh formed a band named Novel American, which Zac was also a part of. Farro is currently the sole member of the band HalfNoise. Farro rejoined Paramore in 2016.

Farro was born in Voorhees Township, New Jersey. Farro is the middle child of five siblings (Nate, Joshua, himself, Jonathan, and Isabelle). Farro began playing drums at around the age of nine, and he was eleven years old when he played his first drum kit. The family later moved to Franklin, Tennessee.