Family name Laduke (Laduke 
) , across the world, is quite a rare surname. The family name Laduke is habitual in the United States, where it is a rare surname, Canada, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Laduke | Norway, Canada, United States, Malaysia, New Zealand |
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winona laduke author and activist, US (b. 1959) |
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| betty laduke American artist and writer from Oregon (born 1933) (b. 1933) |
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| jeanne laduke American mathematician, US (b. 1938) |
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| tom laduke American painter, US (b. 1963) |
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| casey laduke researcher |
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