There are multiple origins and meanings for the name Dayana:
1. Spanish form of the given name Diana meaning - "heavenly, divine"
2. Arabic name (دِيَانَة) [Dayanah] and translates as - "religion; faith (Islam)"
3. Mongolian name, means - "hermit, holy, ascetic", feminine form of the personal name Dayan
4. Turkic first name, semantic - "based; Hang on!, Bear up!, Keep it up!".