William is a masculine given name
- English: From the Germanic name Wilhelm, which was composed of the elements wil "will, desire" and helm "helmet, protection"
- German: Resolute protector; will. For a long time after the Norman conquest in A.D. 1066 many English boys were given some form of William the Conquer's name. William. The firstborn son of Prince Charles is named William
- Indian: Unwavering protector
- French: Determined protector
Joan Ellis
| APA | Joan Ellis. (2011). William. Retrieved September 20, 2026, from http://smartdefine.org/william/definitions/1344904 |
| Chicago | Joan Ellis. 2011. "William" http://smartdefine.org/william/definitions/1344904 (accessed September 20, 2026). |
| Harvard | Joan Ellis 2011, William, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/william/definitions/1344904>. |
| MLA | Joan Ellis. "William" 25 February 2011. Web. 20 September 2026. <http://smartdefine.org/william/definitions/1344904> |