Family name Hartong (Hartong 
) , across the world, is a rare cognomen. The surname Hartong is characteristic of Netherlands, where it is quite a rare surname, Belgium, where it is a rare surname, and the United States. Measured by absolute frequency, the name is most common in the United States, Netherlands, and Germany.
| VARIANT | COUNTRY |
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| Hartong | Germany, Indonesia, Belgium, United States, Netherlands |
| nikolay pavlovich hartong (b. 1818) |
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corrie hartong Dutch choreographer (1906-1991), NL (b. 1906) |
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| josephus johannes christiaan hartong Dutch painter, NL (b. 1860) |
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| konrad hartong DE (b. 1861) |
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| marianne hartong NL (b. 1879) |
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jan laurens hartong Dutch musician, NL (b. 1941) |
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| franz hartong DE (b. 1882) |
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| george hartong American football player (1896–1973), US (b. 1896) |
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| jan hartong Dutch chess composer, NL (b. 1902) |
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| kurt hartong DE (b. 1894) |
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lucas hartong Dutch politician, NL (b. 1963) |
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konstantin nikolaevich hartong |
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| heinrich hartong DE (b. 1931) |
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| laura hartong actor (b. 1958) |
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| jelle hartong researcher (ORCID 0000-0003-0498-0029) |
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