Last name Romppanen (Romppanen 
) , in the entire world, is quite a rare cognomen. The family name Romppanen is characteristic of Northern Europe, particularly Finland, where it is quite a common surname, Sweden, where it is a rare surname, and Denmark. Not in comparison with a country's population, this name is the most popular in Finland, Sweden, and the United States.
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| Romppanen | Denmark, Finland, Spain, Sweden, United States |
| martti romppanen Finnish actor, FI (b. 1927) |
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| kyösti romppanen photographer (1938-2018), FI (b. 1938) |
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| eino romppanen Finnish-American sculptor, FI (b. 1940) |
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| tuomo romppanen Finnish politician, FI (b. 1956) |
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| otra romppanen Finnish guitarist, FI (b. 1960) |
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| juhani romppanen FI (b. 1963) |
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| joonas romppanen FI (b. 1968) |
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| hilla romppanen Finnish association football player, FI |
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| elina romppanen researcher |
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| dave romppanen college basketball player (1967–1967) Oregon |
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| o. romppanen Finnish architect, FI |
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| johanna romppanen researcher |
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| ari romppanen FI |
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| anne romppanen FI |
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| ilkka romppanen FI |
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Mr, Rene, Riku, Jani, Jari, Joni, Jope, Jere, Juha, Juho, Taru, Tatu, Tomi, Toni, Topi, Tero, Timo, Tiia, Nico, Niko, Nina, Essi, Pasi, Paul, Kati, Kari, Ms, Mia, Ari, Aki, Jan, Tia, Esa, Ida, Mari, Mira, Eric, Miro, Miku, Miia, Sari, Sami, Suvi, Anna, Anne, Arto, Aaro, Aapo, Mika, and Erja