Last name 莱德 (Lide 
, Ride 
, Leder 
) , in the world, is a common cognomen. The surname 莱德 is characteristic of Croatia, where it is quite a rare surname, Germany, and Latvia. Not in comparison with a country's population, it is commonest in Germany, the United States, and Indonesia. Likewise, 莱德 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lide | Germany, China, Malaysia, United States, Democratic Republic of the Congo |
| Ride | Germany, China, Indonesia, United States, Democratic Republic of the Congo |
| Leder | Germany, Indonesia, India, United States, Poland |
| 莱德 | China |