As of January 2021, how many U.S. Navy aircraft carriers have been named after U.S. Presidents?

Aircraft carriers are warships that act as airbases for carrier-based aircraft. In the United States Navy, these consist of ships commissioned with hull classification symbols CV (aircraft carrier), CVA (attack aircraft carrier), CVB (large aircraft carrier), CVL (light aircraft carrier), CVN (aircraft carrier (nuclear propulsion)).

The first aircraft carrier commissioned into the United States Navy was USS Langley (CV-1) on 20 March 1922 (decommissioned 27 February 1942). There are/have been 11 aircraft carriers in the U.S. Navy fleet which have been named after U.S. presidents. The first of these was the USS Franklin D. Roosevelt (27 October 1945 – 1 October 1977). The next in the presidential naming line was USS John F. Kennedy (CV-67) commissioned on 7 September 1968, decommissioned on 23 March 2007 after 38 years, 197 days of service. The latest aircraft carrier commissioned and named for a U.S. president is also in commemoration of President Kennedy, the USS John F. Kennedy (CVN-79) launched on 29 October 2019.

In order of commissioning, the aircraft carriers named after U.S. presidents, are USS Dwight D. Eisenhower, USS Theodore Roosevelt, USS Abraham Lincoln, USS George Washington, USS Harry S. Truman, USS Ronald Reagan, USS George H.W. Bush and USS Gerald R. Ford. 10 presidents have had their names given to 11 U.S. Navy fleet aircraft carriers. 20 of America's presidents have had warships named in their honour.