Last name Блага (Blaga 
, Блага 
) , globally, is a common cognomen. The surname Блага is characteristic of Romania, where it is quite a common surname, North Macedonia, and Bulgaria, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Romania, Ukraine, and North Macedonia. Much less frequently, Блага is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blaga | Romania, Hungary, North Macedonia, Bulgaria, Italy |
| Блага | Ukraine, Kazakhstan, Belarus, Bulgaria, Russia |
|
блага алексова Macedonian archaeologist, MK (b. 1922) |
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| блага николова димитрова Bulgarian writer, politician (1922-2003), BG (b. 1922) |
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| блага петроска Macedonian sociologist and university teacher, MK (b. 1939) |
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| блага петреска Macedonian singer, MK (b. 1947) |
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