Cognomen טנדי (Tandy 
, Thandie 
, Tandey 
) , in the world, is quite a common family name. The family name טנדי is characteristic of the United Kingdom, where it is quite a rare surname, Australia, and Zimbabwe. Measured by absolute frequency, it most frequently occurs in Indonesia, the United States, and the United Kingdom. Also, טנדי is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tandy | Indonesia, United Kingdom, South Africa, Australia, United States |
| Thandie | Botswana, United Kingdom, South Africa, Malawi, United States |
| Tandey | United Kingdom, South Africa, United States, India, Pakistan |
| טנדי | Israel |