June 24 is celebrated as the Feast of the Nativity of Saint John the Baptist in both Orthodox and Catholic traditions, making this date significant for those who bear the name in Belarus.
- Ivan – The Slavic form of John, from the Hebrew Yohanan, meaning God is gracious. This is one of the most common names in Belarus and across Eastern Europe.
- Ioann – The Church Slavonic and formal Orthodox version of John, sharing the same meaning. It is often used in religious contexts and clerical names.
- Ivanka – A diminutive form of Ivan, expressing affection and familiarity. Commonly used as a feminine name in Belarus and neighboring Slavic countries.
