Wentworth was a federal electoral district represented in the House of Commons of Canada from 1904 to 1968.

In 1947, it was redefined to consist of the county of Wentworth (excluding the townships of Beverly, Ancaster, Glanford and Binbrook), and the northern part the city of Hamilton.

In 1952, it was again defined as being the county of Wentworth, excluding the city of Hamilton.

The electoral district was abolished in 1966 when it was redistributed between Halton—Wentworth, Hamilton Mountain, Hamilton—Wentworth and Wellington ridings.

This riding elected the following members of the House of Commons of Canada: