Surname Osbert (Osbert 
) , globally, is quite a rare last name. The cognomen Osbert is characteristic of Sub-Saharan Africa, particularly Uganda, where it is quite a rare surname, Ghana, where it is a rare surname, and Nigeria. Also, Osbert is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osbert | Tanzania, Nigeria, Ghana, Uganda, Zambia |
| william fitz osbert Londoner who led a popular uprising in 1196, GB (b. 1150) |
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alphonse osbert French painter (1857-1939), FR (b. 1857) |
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