Cognomen Ter Haar (Ter Haar 
) , across the world, is a rare family name. The last name Ter Haar is habitual in Netherlands, where it is quite a rare surname, Germany, where it is a rare surname, and South Africa, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ter Haar | Germany, South Africa, France, United States, Netherlands |
| derk jan ter haar military officer, NL (b. 1901) |
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| catharina christina ter haar NL (b. 1894) |
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bernard ter haar (*1955), NL (b. 1955) |
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| barend joannes ter haar Dutch sinologist, NL (b. 1958) |
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| otto ter haar Dutch politician, NL (b. 1958) |
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