Family name Randalph (Randalph 
) , worldwide, is a very rare last name. The family name Randalph is habitual in Nicaragua, where it is a rare surname, and the United States, where it is an extremely rare surname. More frequently, Randalph is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Randalph | Philippines, United States, Nicaragua, South Africa, Costa Rica |