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