Cognomen Marbut (Marbut 
) , all over the world, is a rare surname. The surname Marbut is habitual in the United States, where it is a rare surname, Belgium, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Marbut | Belgium, Canada, India, United States, United Kingdom |
|
curtis fletcher marbut American soil scientist, US (b. 1863) |
|
| robert g. marbut American academic, US (b. 1960) |
|
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| donnie marbut baseball coach, US (b. 1974) |
|