List of ships named Avalon

A number of ships have been named Avalon, after Avalon, the mythical Arthurian island or Avalon, California

Merchant ships

 * PS Avalon (1864), a Great Eastern Railway passenger ferry steamer, sold as a blockade runner
 * PS Avalon (1865), a Great Eastern Railway passenger-cargo ferry steamer, replaced the above
 * Avalon, a cargo ship, built by Swan Hunter, Wallsend for C T Bowring
 * PS Avalon (1888), a sidewheel passenger ship, built by Harlan and Hollingsworth
 * SS Avalon (1891), a passenger vessel, operating Catalina–Los Angeles 1920–1951
 * Avalon, a cargo ship 1974–1981, built as Empire Wallace
 * Avalon, a passenger-roro ferry built by Alexander Stephen & Sons, Glasgow for British Railways
 * Avalon (1963), a passenger-cargo ship previously known as RMS St Helena (1963)

United States Navy

 * USS Avalon (1908), a motorboat acquired for use as a patrol boat in 1917 and returned to her owner in 1918 perhaps without having been commissioned
 * USS Blue Ridge (ID-2432), a steamer in commission from 1918 to 1919, renamed USS Avalon for her last three days under U.S. Navy control
 * DSRV-2 Avalon, a deep submergence rescue vehicle launched in 1971 and decommissioned in 2000

Canadian Navy

 * HMCS Avalon was a shore base at St. John's, Newfoundland during World War II
 * HMCS Avalon II, an accommodation vessel from 1942 to 1947, previously passenger vessel Georgian ex-Cape Eternity ex-Rochester on the Great Lakes and St Lawrence
 * HMCS Avalon III, a harbour vessel, later HC 31

Royal Navy

 * HMT Avalon, former Norwegian trawler Nordhav I, hired in 1940, and renamed Adonis in 1941. Built as Océan in 1915