Family name Östergaard (Östergaard 
) , in all the world, is a rare cognomen. The surname Östergaard is habitual in Sweden, where it is a rare surname, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Östergaard | Germany, Sweden |
| linda östergaard Swedish translator, SE (b. 1962) |
|
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| josephine östergaard Danish association football player (b. 1996) |
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