Ramona Airport (ICAO: KRNM, FAA LID: RNM, formerly L39) is a public airport two miles west of Ramona in San Diego County, California, United States.

The airport is mostly used for general aviation, the California Department of Forestry (CDF) and the United States Forest Service (USFS) jointly operate a fire attack base.

The Ramona Air Fair is a popular airshow held every year in October.

Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but Ramona Airport is RNM to the FAA and has no IATA code.