Surname นิธิอิทธิไกร (นิธิอิทธิไกร 
) , in the world, is an extremely rare cognomen. The surname นิธิอิทธิไกร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| นิธิอิทธิไกร | Thailand |