Family name Leechon (Leechon 
) , in all the world, is a very rare last name. The surname Leechon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Leechon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leechon | South Africa, Thailand, United States |
Yaovalak, Yowvalak, and Pattarawadee