An alpaca is a South American camelid.

Alpaca or ALPACA may also refer to: Alpaca fiber, the fleece of the Alpaca ALCAPA (tectonic plate), see Anomalous left coronary artery from the pulmonary artery, a rare congenital anomaly Dynetics Autonomous Logistics Platform for All-Moon Cargo Access (ALPACA), the Dynetics entry for the NASA Human Landing System lunar lander competition The refinement of LLaMA, a large language model from Meta AI, by the Stanford Center for Research on Foundation Models

See also Grass Mud Horse, a parody originating from Mainland China of 2009 that features the alpaca Alpacca, nickel silver Paca (disambiguation)