Last name Lumbantoruan (Lumbantoruan 
) , all over the world, is a common family name. The last name Lumbantoruan is characteristic of Indonesia, where it is quite a rare surname, Malaysia, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Lumbantoruan | Thailand, Singapore, United States, Indonesia, Malaysia |
| ronald lumbantoruan Indonesian politician (born 1964), ID (b. 1964) |
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| partahi mamora halomoan lumbantoruan Indonesian student (1973-2007), ID (b. 1973) |
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| jhonsar kariaman lumbantoruan Indonesian politician (born 1977 in Tapanuli), ID (b. 1977) |
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| christina lumbantoruan researcher ORCID ID = 0000-0003-2672-1351 |
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| rusman lumbantoruan Indonesian political candidate, ID |
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Ms, Apul, Bona, Kiky, Paul, Pras, Reny, Rela, Rina, Rini, Audi, Rita, Rudi, Rudy, Ryan, Devi, Desy, Dian, Dina, Lina, Lida, Ruth, Aiko, Arta, Anju, Aw, Ayu, Rio, Rut, Dea, Leo, Joe, Eva, Evi, Evy, Eka, Ida, Mona, Mega, Mike, Mian, Sari, Saur, Saut, Susi, Alex, Lomo, and Lusy