American Century is a term used by some historians to refer to the 20th Century.
American Century may also refer to:
American Century (comics), a comic series published by DC Comics from 2001 American Century Investments, an investment management firm The American Century: Varieties of Culture in Modern Times, a book by Norman F. Cantor American Century Records, a fictional record company in the TV series Vinyl MV American Century, a lake freighter on the Great Lakes