Ratio (disambiguation)

A ratio is a relationship between numbers or quantities.

Ratio may also refer to:

• Ratio (journal), a philosophical quarterly
• Ratio, Arkansas, a community in the United States
• Ratio decidendi, a legal concept
• Ratio Institute, a Swedish institute
• Ratio scale, a statistical level of measurement
• Ratio, a 2009 book on cooking by Michael Ruhlman
• 'Ratio' as a term used on the social media website Twitter