Cognomen Debu (Debu 
, But 
, Butte 
) , throughout the world, is a common surname. The surname Debu is characteristic of Hong Kong, where it is quite a common surname, Romania, where it is quite a rare surname, and Pakistan. Measured by absolute frequency, the name is most common in Pakistan, India, and Saudi Arabia. More frequently, Debu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Debu | Bangladesh, France, India, Malaysia, Saudi Arabia |
| But | Taiwan, Pakistan, India, Malaysia, Saudi Arabia |
| Butte | Romania, France, United States, India, Ethiopia |
| Debut | France, Argentina, United States, India, Indonesia |
| petru debu RO (b. 1866) |
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debu brahma Indian (Odia) actor, IN (b. 1962) |
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| debu bhattacharya (b. 1930) |
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| debu deodhar Indian cinematographer, IN (b. 1948) |
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| jean-christophe debu French association football player, FR (b. 1964) |
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| debu majumdar cricketer, IN (b. 1976) |
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| debu pattnaik Indian director, IN |
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| debu kumar bhattacharjya researcher (ORCID 0000-0002-6652-0610) |
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| debu tripathy researcher |
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Mal, Ghosh, Yadav, Mandal, Mahato, Mondal, Sardar, Sarkar, Sharma, Barman, Biswas, Pandit, Paswan, Ruidas, Thakur, Naskar, Halder, Haldar, Hajara, Santara, Debnath, Karmakar, Dutta, Patra, Bauri, Bagdi, Sah, Bag, Pal, Ram, Ray, Roy, Dey, Das, Maji, Saha, Pramanik, Sada, Bera, Rani, Devi, Jana, Manna, Malik, Mahto, Majhi, Murmu, Singh, Sing, and Chakraborty