Red Book has one of the following meanings.

• The Red Book of the Peoples of the Russian Empire, see its website
• The UNESCO Red Book of Endangered Languages
• Red Book is an audio CD standard (IEC 908)
• The Red Book is Australian table of new and used car values, see The Red Book website
• The Red Book was a nickname for the policy platform of the Liberal Party of Canada in the 1993 Canadian election.
• "The Red Book" is also a name of the OpenGL Programming Guide
• It is also the first publication to describe the X.400 standard in 1984.
• The Bulgarian Red Book of endangered species
• In J. R. R. Tolkien's realm of Middle-earth, the Red Book of Westmarch supposedly contained the original versions of the stories Tolkien wrote.
• The Little Red Book is the pocket-size edition of the book of Quotations from Chairman Mao Zedong, more than 1 billion in print.
• Monty Python's Big Red Book of Monty Python's Flying Circus
• PostScript Language Reference
• NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management
• Redbook, a women's magazine.