Elkin Municipal Airport (ICAO: KZEF, FAA LID: ZEF) is a public airport in Surry County, North Carolina, United States, three miles northeast of Elkin. It is owned by the Town of Elkin; the National Plan of Integrated Airport Systems for 2011–2015 called it a general aviation facility.

Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Elkin is assigned ZEF by the FAA and has no IATA identifier. The airport's ICAO identifier is KZEF.