Throughout the world, Tuanku (Tuanku 
, ตวนกู ) is a rare boy's given name. The first name Tuanku is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare masculine name. Likewise, Tuanku is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tuanku | Indonesia, United States, Thailand, Malaysia |
| ตวนกู | Thailand |
| tuanku nan tuo ID (b. 1723) |
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tuanku nan renceh ID (b. 1780) |
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| tuanku mansiangan ID (b. 1771) |
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| tuanku tambusai national hero from Indonesia, ID (b. 1784) |
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| tuanku rao ID (b. 1790) |
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tuanku muhammad ibni tuanku antah Ruler of Negeri Sembilan (1865-1933), MY (b. 1865) |
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tuanku syed putra ibni almarhum syed hassan jamalullail 3rd Yang Di-Pertuan Agong, MY (b. 1920) |
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tuanku ja’afar Yang di-Pertuan Agong X, MY (b. 1922) |
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tuanku munawir Yang di-Pertuan Besar of Negeri Sembilan, MY (b. 1922) |
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tuanku muhriz Yang di-Pertuan Besar of Negeri Sembilan, MY (b. 1948) |
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| tuanku bujang tuanku othman second Governor of the state of Sarawak, Malaysia, MY (b. 1898) |
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tuanku siti aishah binti abdul rahman Tengku Permaisuri of Selangor, MY (b. 1971) |
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tuanku zara salim Raja Permaisuri of Perak, MY (b. 1973) |
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tuanku nur zahirah Sultanah of Terengganu, MY (b. 1973) |
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| tuanku bahiyah Sultanah of Kedah, MY (b. 1930) |
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