Tomčič pai tikanga ingoa: Waimarie, Hūkokikoki, Ohaoha, Koa, Ahua. Haere Tomčič tikanga o ingoa.
Tomčič takenga. Derived from a diminutive of the given name Tomaž. Haere Tomčič takenga.
Ingoa whānau faaauhia hoki Tomčič i roto i whenua rerekē me ngā reo: Maas, Maes, Maessen, Masi, Masin, Mas, Mašek, Masson, Tamás, Thomas, Thompsett, Thompson, Thomson, Tomàs, Tomasson, Tomčić, Tomov, Tómasson. Haere Tomčič i ētahi atu reo.
Ingoa whānau te nuinga noa ki te ingoa Shadrin: Thomas, T.n. Haere Rārangi o ngā ingoa whānau ki te ingoa Shadrin.