Across the world, Aappo (Aappo 
) is a very rare largely boy's, but uncommonly girly forename. The first name Aappo is habitual in Northern Europe, particularly Finland, where it is a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Aappo | India, Finland |
| aappo luomajoki Finnish cross-country skier, FI (b. 1845) |
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| aappo walta FI (b. 1843) |
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| aappo jurvelin FI (b. 1870) |
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| aappo pirilä FI (b. 1890) |
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| aappo heikkinen FI (b. 1890) |
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| aappo i. piippo Finnish journalist (1950-2011), FI (b. 1950) |
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| aappo kontu FI |
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| aappo rantaniemi |
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| aappo savikoski finnish pesäpallo player, FI |
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Nen, Hintsala, Hankonen, Nikkilã, Tarpeenniemi, Luukkonen, Lappalainen, Laitinen, Pukarinen, Saloranta, Mäkeläinen, Oikarinen, Halonen, Jämsä, Laitila, Pulkkinen, Pehkonen, Kähönen, Salo, Kiri, Roos, Kontu, Lehto, Oinas, Mustakangas, Walta, Niikko, Vasala, Määttä, Savikoski, Koskela, Keränen, Jutila, and Holmström