Family name Singj (Singj 
) , all over the world, is quite a rare surname. The family name Singj is habitual in Western Asia, particularly Qatar, where it is quite a rare surname, United Arab Emirates, and Bahrain, where it is a rare surname. Not in comparison with a country's population, it is commonest in India, United Arab Emirates, and Saudi Arabia.
| VARIANT | COUNTRY |
|---|---|
| Singj | Saudi Arabia, Oman, India, Qatar, United Arab Emirates |