Surname Goethart (Goethart 
) , around the world, is a very rare cognomen. The cognomen Goethart is characteristic of Netherlands, where it is a rare surname, and Czechia.
| VARIANT | COUNTRY |
|---|---|
| Goethart | Czechia, Netherlands |
| jan willem christiaan goethart Dutch botanist (1866–1938), NL (b. 1866) |
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| gerhardus h. goethart Dutch chess composer (1892-1969), NL (b. 1892) |
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| edmond willem de fielliettaz goethart Dutch politician (1909-2004), NL (b. 1909) |
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