Family name 延德 (Yande 
, 延德 , Yeend 
) , in the entire world, is quite a common last name. The family name 延德 is characteristic of Luxembourg, where it is quite a rare surname, Australia, where it is a rare surname, and the Democratic Republic of the Congo. In absolute terms, it is commonest in India, China, and Nigeria. Also, 延德 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yande | Senegal, Indonesia, Zambia, China, India |
| 延德 | China |
| Yeend | United Kingdom, Australia, Canada, United States, New Zealand |
| Yiend | United Kingdom, Myanmar, Australia, United States, New Zealand |