Cognomen Lethia (Lethia 
) , worldwide, is an extremely rare surname. The family name Lethia is habitual in Honduras, where it is a very rare surname, South Africa, where it is an extremely rare surname, and Mexico. Much more frequently, Lethia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lethia | Germany, South Africa, United States, India, Canada |
Lee, Gaymon, Grimes, Gibson, Taylor, Thomas, Newton, Harris, Hepler, Oliver, Walker, Watson, Wright, Simmons, Sellers, Cupples, Jackson, Johnson, Estigoy, Edwards, Williams, Singleton, Garcia, Bryars, Miller, Maddox, Dunn, Gray, Tate, Hill, Miles, Minor, Smith, Clark, Batey, Brown, Rodriques, Kelly, Davis, Lewis, James, Jones, Evans, Hartz, Owens, White, Martin, Massey, Perry, and Dickerson