Last name Østenstad (Østenstad 
) , worldwide, is a very rare family name. The surname Østenstad is characteristic of Northern Europe, particularly Norway, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Østenstad | Norway |
|
egil østenstad Norwegian footballer, NO (b. 1972) |
|
| inger østenstad Norwegian journalist and writer (b. 1957) |
|
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| bjørn henning østenstad Norwegian jurist, NO (b. 1970) |
|
|
| marthine østenstad Norwegian association football player |
|
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| sandra østenstad Norwegian association football player |
|