OWI

The abbreviation OWI stands for:

• Oel-Waerme-Institut , an affiliated institute of the RWTH Aachen
• United States Office of War Information , a US agency during World War II
• Administrative offense in the German legal system
• Ottawa Municipal Airport, KS, USA, see list of IATA codes / O
• Open Web Index Initiative or concept for creating an independent index as a basis for offers on the Internet, such as map services, search engines or comparison services.

This is a disambiguation page for differentiating between several terms identified with the same word.