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Family name J. (J.
, ジョン
, 존
, along with others...) , in all the world, is a common surname. The family name J. is habitual in Cyprus, where it is quite a common surname, Taiwan, and Honduras, where it is quite a rare surname. In absolute terms, it is commonest in Indonesia, Taiwan, and China. More frequently, J. is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| J. | Spain, Taiwan, Indonesia, Sri Lanka, China |
| ジョン | Japan |
| 존 | South Korea |
| جاي | Saudi Arabia, Egypt, Sudan, Libya, Algeria |
| 約翰 | China |
| ג'יי | Israel |
| Дж. | Bulgaria, Ukraine |
Kim, Santos, Sharma, Garcia, Taylor, Thomas, Walker, Miller, Wilson, Johnson, Martinez, Anderson, Gonzalez, Thompson, Williams, Sanchez, Martin, White, Jones, Lee, King, Park, Wang, Moore, Singh, Silva, Smith, Allen, Brown, Kumar, Perez, Reddy, Davis, Lopez, Rodriguez, and Hernandez