Secret City may refer to: Secret City (book), a book by Gunnar S. Paulsson Secret City (TV series), a 2016 Australian television mini-series Secret City Records, a Canadian independent record label Long Tieng or Secret City, a Laotian military base Oak Ridge, Tennessee or the Secret City

See also Closed city, a settlement with travel and residency restrictions in the Soviet Union Secret Cities, an American rock band The Secret City, a children's television program Secret City Saga, a collection of comic book titles