All over the world, Santtu (Santtu 
) is a rare predominantly masculine, but scarcely feminine given name. The given name Santtu is habitual in Finland, where it is quite a rare male name, and India, where it is an extremely rare mostly male, but seldom girly name. Much less frequently, Santtu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Santtu | Sweden, Finland, Thailand, India, United States |
Aleksanteri, Santeri, and Сантери
| santtu tschernichin (b. 1889) |
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santtu hämäläinen Finnish musician, FI (b. 1975) |
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santtu karvonen Finnish actor, FI (b. 1979) |
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santtu raitala Finnish harness racer, FI (b. 1991) |
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santtu huhtala Finnish ice hockey player, FI (b. 1992) |
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santtu äyräväinen FI (b. 1984) |
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| santtu luoto Finnish non-fiction writer, FI (b. 1964) |
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| santtu mäkinen Finnish long-distance runner and middle-distance runner, FI (b. 1970) |
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| santtu puukka Finnish poet, FI (b. 1972) |
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| santtu karhu (b. 1967) |
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| santtu manner Finnish floorball player, FI (b. 1978) |
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| santtu ruotsalainen Ph.D. Aalto-yliopisto 2013 |
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| santtu kareksela researcher |
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| santtu salmi Ph.D. Jyväskylän yliopisto 2013 |
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| santtu parkkonen Finnish CEO, FI |
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Ki, Seppänen, Aaltonen, Korhonen, Koskinen, Koivunen, Parkkonen, Rantanen, Laitinen, Lehtonen, Lehtinen, Nieminen, Heinonen, Hiltunen, Hirvonen, Venäläinen, Miettinen, Karppinen, Päivärinta, Järvinen, Heikkinen, Ruotsalainen, Seppälä, Naukkarinen, Saarinen, Mäkinen, Nen, Salo, Inen, Salmi, Säisä, Ahola, Karhu, Laine, Leino, Ojala, Ahonen, Rautio, Laakso, Mäkelä, Salonen, Saavala, Kähkönen, Pekkala, Pulkkinen, Turunen, Viitala, Salminen, and Hämäläinen