Family name Ralph Michael (Ralph Michael 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Ralph Michael is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ralph Michael | Germany, Spain, Philippines, United States, Peru |
Anda, Pastor, Rodaje, Dungca, Garcia, Gepila, Lazaro, Jazmin, Morales, Sanchez, Sampang, Silerio, Sitchon, Stappen, Angsuco, Astorga, Cabrera, Baligod, Pedroso, Richrath, Valmonte, Vicencio, Blanco, Bondoc, Coquia, Cabael, Cruz, Hall, Moron, Mella, Saylo, Cioco, Perez, Rolle, Dator, Garma, Tolentino, Gomez, Llego, Tapia, Teope, Ebuen, Hadia, Vitug, Vidaz, Viado, Umali, Santos, Limin, and Gatchalian