Speed Six may refer to:

• Bentley Speed Six, British sports car produced between 1926 and 1930
• Ruger Speed-Six, American revolver produced between 1972 and 1988
• Speed Six!, children's book by Richard Hough (aka Bruce Carter)
• TVR Speed Six engine, British car engine produced between 1999 and 2007

This disambiguation page lists articles associated with the title Speed Six.
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