Spelling Variants
Tonia vs Tonja: Which Spelling?
Tonia and Tonja are variants of the same root name Antonia.
Global Rank #521
Tonia
Origin: Latin
Tonia is a diminutive form of Antonia, derived from the Latin name Antonius, which likely means "priceless" or "of inestimable worth," though the etymology remains debated among scholars.
Global Rank #2,004
Tonja
Origin: Latin
Tonja is a modern variant of Tonia, which derives from the Latin name Antonia, meaning "priceless" or "worthy of praise," from the Roman family name Antonius.
Which is more popular? Based on real registry rankings, Tonia currently ranks higher globally. Popularity can vary a lot by country — check each name's own page for a full regional breakdown.