The name of the tooth fairy varies greatly across different cultures and regions. In the United States and Canada, the tooth fairy is known as the "Tooth Fairy". In other countries such as Spain, Portugal, and Latin America, she is called "Tanzfe" or "Ratoncito PĂ©rez". Additionally, in some Asian cultures like Japan and Korea, the tooth fairy is referred to as a "tengu". These are just a few examples of the many names the tooth fairy is known by globally.