Family name Radio (Radio 
, Radius 
, Rajar 
) , in all the world, is quite a common last name. The cognomen Radio is characteristic of Jordan, where it is quite a rare surname, Slovenia, and Laos. Measured by absolute frequency, it is the most numerous in Pakistan, India, and Indonesia. Likewise, Radio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radio | India, Spain, Argentina, Jordan, Indonesia |
| Radius | India, Tanzania, Spain, Indonesia, Myanmar |
| Rajar | India, Pakistan, Malaysia, Indonesia, Myanmar |
| Radju | India, North Macedonia, Democratic Republic of the Congo, Malaysia, Indonesia |
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radio man American actor, US (b. 1951) |
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| rosa sophie radio AT (b. 1899) |
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| enrico radio Italian association football manager and association football player (1920-2012), IT (b. 1920) |
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pedro radio Argentine politician, AR |
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| francesco radio Italian association football manager and association football player, IT (b. 1953) |
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| erik radio librarian and researcher, US |
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| santiago radio researcher |
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| francesca c. radio researcher |
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| mike radio college basketball player (2005–2006) Drexel |
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| radio rahim boxing reporter and journalist |
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| marta cubria radio researcher (ORCID 0000-0003-4967-6821) |
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| moses radio musician, UG (b. 1981) |
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| radio people |
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| dagr8fm radio Musical Artist (b. 1990) |
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| radio rennaissance "radio contact braine-le-comte BE |
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