Vitalii (Russian: Вита́лий, romanized: Vitaliy, Ukrainian: Віта́лій, romanized: Vitalii; Vitalij, pronounced [ʋiˈtɑlij], Latin: Vitalis) is a masculine given name of Ancient Rome origin.
In ancient Rome it was a nickname, there was also a related cognomen (generic nickname) Vitalianus, which literally translates as “Vitalis’s; belonging to Vitalis”.
The female version of the name is Vitalina (Russian: Витали́на, Ukrainian: Віталі́на, romanized: Vitalina, pronounced [ʋitɑˈlinɑ]) The name Vіtalіi came to Kievan Rus' with Christianity from Byzantium.
According to V. A. Nikonov, in 1988 the name in the USSR was rare.
[1] Male diminutives include Vitalik, Vitalenka, Vital, Vitalia, Vitasia, Vitulik, Talii, Talik, Talia; female: Vita, Vitalinka, Vitalia, Vitasia, Vitasha, Vitakha, Lina, Talina, Tal.