罗纳德·里根华盛顿国家机场（英语：Ronald Reagan Washington National Airport；IATA代码：DCA；ICAO代码：KDCA；FAA代码：DCA）是美国首都华盛顿市中心以南5公里处的一座民用机场，是距离华盛顿最近的机场，本名华盛顿国家机场（英文：Washington National Airport），后为了纪念前总统罗纳德·里根而改今名。同时也是美国航空的重点机场，相对于运行国际航线的华盛顿杜勒斯国际机场，华盛顿国家机场主要运行国内航线。

由于夹在华盛顿特区两个禁飞区重叠区域之间，在进出机场容易因为偏航而进入禁飞区，所以要求飞行员进场时在机场半岛急转弯着陆并注意避免触及附近中央情报局、五角大楼的禁飞区域，离场时也必须迅速左转爬升，避免飞过白宫上空。

Ronald Reagan Washington National Airport (IATA: DCA, ICAO: KDCA, FAALID: DCA) is an international airport 3 miles (5 km) south of downtown Washington, D.C., in Arlington County, Virginia, United States. It is the nearest commercial airport to the capital and serves the Baltimore-Washington Metropolitan Area. For decades it was called Washington National Airport; it was renamed in 1998 to honor President Ronald Reagan. The Metropolitan Washington Airports Authority (MWAA) operates the airport with close oversight by the federal government due to its proximity to the national capital.