Surname Tertia (Ters 
, Tertia 
, Terc 
) , around the globe, is quite a rare family name. The family name Tertia is habitual in Lebanon, where it is quite a rare surname, the Dominican Republic, and Czechia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Lebanon, Indonesia, and the United States. Also, Tertia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ters | Indonesia, South Africa, Lebanon, United States, India |
| Tertia | Namibia, Indonesia, South Africa, United States, India |
| Terc | Czechia, Dominican Republic, United States, Argentina, France |
| Terz | Turkey, Czechia, United States, Argentina, France |
| clodia tertia wife of Quintus Marcius Rex and sister of Clodius (b. 50) |
|
|
| iunia tertia possible daughter of Julius Caesar, wife of Gaius Cassius Longinus (b. 70) |
|
|
|
aemilia tertia wife of Scipio Africanus (b. 230) |
|
Nel, Strydom, Coetzee, Plessis, Du Toit, Grobler, Jordaan, Joubert, Emerson, Viljoen, Marshall, Barnardt, Roothman, Rensburg, Richards, Dvorchak, Holeyfield, Pretorius, Dippenaar, Nieuwoudt, Ballantyne, Kellermann, Myburgh, Fourie, Venter, Visser, Wyk, Zyl, Marx, Smit, Cole, Cote, King, Roux, Louw, Meyer, Oosthuizen, Steyn, Swart, Botha, Human, Cloete, Bartow, Burger, Butler, Jacobs, Theron, Turner, Smith, and Christensen