The Master Key may refer to:

Literature

• The Master Key (Baum novel), a children's book by L. Frank Baum
• The Master Key, a 1914 personal development book by L. W. de Laurence
• The Master Key (Togawa novel), a 1962 mystery by Masako Togawa
• The Master Key System, a personal development book by Charles F. Haanel

Film

• The Master Key (1914 serial), by Universal Studios
• The Master Key (1945 serial), by Universal Studios
• The Master Key (2009 film), a Canadian fantasy/mystery film

See also

• Master key (disambiguation)

This disambiguation page lists articles associated with the title The Master Key.
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