There are multiple origins and translations for the name Vania:
1. Comes from the Arabic name Wania which actually means - "soft, tender, gentle"
2. Diminutive form of the name Vanessa
3. Derived from the name Ivana, feminine form of the name Ivan/Iohannes/Yochanan - "God (Ya/Jehovah) is merciful (Hanan)".
May also refer to Vania (male name).