Surname Leeham (Leeham 
) , throughout the world, is a very rare cognomen. The family name Leeham is habitual in Malaysia, where it is a very rare surname, Thailand, and the United States, where it is an extremely rare surname. Much less frequently, Leeham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leeham | Philippines, Australia, Malaysia, Thailand, United States |