Wainwright \wa(i)-nwri-ght, wain(w)-right\ as a boy's name is of Old English origin, and the meaning of Wainwright is "wagon-builder".
Wainwright has 5 variant forms: Wainright, Wainewright, Wayneright, Waynewright and Waynwright.
For more information, see also related names Wheelwright and Wright.