Last name Tranøy (Tranøy 
) , worldwide, is a very rare surname. The surname Tranøy is habitual in Northern Europe, particularly Norway, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tranøy | Norway |
| knut erik tranøy Norwegian philosopher, NO (b. 1918) |
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| joar tranøy Norwegian psychologist (b. 1954) |
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| torstein tranøy Norwegian journalist (b. 1964) |
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| atle tranøy (b. 1957) |
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