Beale Air Force Base (AFB) (IATA: BAB, ICAO: KBAB, FAA LID: BAB) is a United States Air Force base in California. It is outside Linda, about 10 miles (16 km) east of the towns of Marysville and Yuba City, and about 40 miles (64 km) north of Sacramento.

The host unit at Beale is the 9th Reconnaissance Wing (9 RW), assigned to the Sixteenth Air Force, Air Combat Command. The Wing collects intelligence essential for presidential and Congressional decisions critical to the national defense. The Wing flies the USAF fleet of Lockheed U-2 "Dragon Ladies" and Northrop Grumman RQ-4 Global Hawk unmanned aircraft, and operates associated ground support equipment. It also maintains a high state of readiness in its combat support and combat service support forces, ready to deploy to carry out military operations.

The 940th Air Refueling Wing (940 ARW) is a tenant Air Force Reserve Command wing at Beale AFB flying the Boeing KC-135 Stratotanker, operationally gained by Air Mobility Command (AMC).

Beale AFB was established in 1942 as Camp Beale and is named for Edward Fitzgerald Beale (1822–1893), a Lieutenant in the U.S. Navy and a Brigadier General in the California Militia, who was an explorer and frontiersman in California. Camp Beale became a United States Air Force installation on 1 April 1951 and was renamed Beale Air Force Base.