Library War could refer to:
Library War franchise Library War, a Japanese light novel series and the title of its first volume Library War (TV series), a 2008 Japanese animated television series based on the light novel series Library War: The Wings of Revolution, a 2012 Japanese animated film based on the light novel series and a sequel to the anime series Library Wars, a 2013 Japanese live-action film based on the light novel series Library Wars: The Last Mission, a 2015 Japanese live-action film sequel
Other uses Library War Service, a library service provided by the American Library Association to American soldiers during World War II Library War Council, part of the Library War Service aimed to raise funds and solicit books and magazines
See also British War Library, a library service for British soldiers during World War I Battle Library, a library operated by the Reading Borough Libraries in Reading, Berkshire, United Kingdom Military library Book censorship, including culture wars over library book bans