William Charles Wentworth is the name of several members of the Wentworth family in New South Wales, Australia.
Several towns are named for the original William Charles Wentworth, plus the federal Parliamentary seat of Wentworth in the eastern suburbs of Sydney.
The well-known journalist Mungo Wentworth McCallum is a great-great grandson of the first William Charles Wentworth and a nephew of William Charles Wentworth IV.