World Toilet Organization WTO
- Country: Singapore
- Type: Organization
- Website: www.worldtoilet.org
- Update: 05-02
The World Toilet Organization (WTO) is a non-profit organization dedicated to the world's toilet culture and public sanitation issues, founded in 2001 by the Republic of Singapore Toilet Association, the Japan Toilet Association, the Clean Toilet Association of the Republic of Korea, and the Taiwan Toilet Association of China, and headquartered in Singapore. Currently, the organization has 47 international members from 17 countries and regions and holds an annual World Toilet Summit on a regular basis.