World Toilet Organization (WTO) is a global non-profit organization committed to improving toilet and sanitation conditions worldwide. WTO focuses on toilets instead of water, which receives more attention and resources under the common subject of sanitation.^{[citation needed]} Founded in 2001^[1] with 15 members, it now has 151 member organizations in 53 countries working towards eliminating the toilet taboo and delivering sustainable sanitation.^{[citation needed]} WTO is also the organizer of the World Toilet Summits and World Toilet Expo and Forum.

WTO was founded in 2001 by Jack Sim with the stated aim of being a global network and service platform wherein all toilet and sanitation organizations can learn from one another and leverage media and global support to influence governments to promote sound sanitation and public health policies.^{[citation needed]}