Wentworth by-election

Wentworth by-election may refer to:


 * 1882 Wentworth colonial by-election, for the New South Wales Legislative Assembly electorate of Wentworth
 * 1887 Wentworth colonial by-election, for the New South Wales Legislative Assembly electorate of Wentworth
 * 1933 Wentworth by-election, for the United Kingdom Parliament constituency of Wentworth
 * 1956 Wentworth by-election, for the Australian House of Representatives seat of Wentworth
 * 1981 Wentworth by-election, for the Australian House of Representatives seat of Wentworth
 * 1995 Wentworth by-election, for the Australian House of Representatives seat of Wentworth
 * 2018 Wentworth by-election, for the Australian House of Representatives seat of Wentworth