There are multiple origins, definition and meanings for the name Zul:
1. Arabic (ذو) [thawu] only name-giving denotation - "owning; possessing"
2. Shortened form of the Persian name Zulfia - "having curly hair, curly".
3. Mongolian name-forming (зул ᠵᠤᠯᠠ) which actually means - "light; cresset".
May also refer to Zul (male name ).