Family name Cyngar (Cyngar 
) , all over the world, is an extremely rare cognomen. The last name Cyngar is habitual in Northern America, particularly the United States, where it is an extremely rare surname. More prevalently, Cyngar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cyngar | United Kingdom, United States, Philippines |
| saint cyndeyrn ap cyngar Welsh saint from Llangyndeyrn in Carmarthenshire, GB |
|