Surname Margretha (Margretha 
) , globally, is a very rare family name. The cognomen Margretha is habitual in Indonesia, where it is a very rare surname, Spain, where it is an extremely rare surname, and the United States. More prevalently, Margretha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Margretha | Indonesia, South Africa, United States, Tanzania, Netherlands |
Mata, Cahill, Bakker, Kabalt, Koornstra, Kellam, Graaff, Girvin, Leeker, Lutton, Hammer, Hoover, Mhagama, Klassen, Pratiwi, Poulsen, Pinkney, Riemsdijk, Thomsen, Sihotang, Jacobsen, Huizinga, Carter, Morris, Martin, Zheng, King, Dunn, Lane, Laar, Link, Nijs, Zein, Zoka, Margo, Merks, Middleton, Mears, Botha, Kooij, Koehn, Kiela, Pater, Patch, Gould, Jones, Ellis, Olsen, Bentz, and Tentativa