William Griffiths Labour Frank Hatton Labour The 1973 Manchester Exchange by-election of 27 June 1973 was held after the death of William Griffiths on 14 April of the same year.

The Labour Party won the by-election in what had traditionally been a safe seat.

[1] Due to an administrative oversight, the by-election was held on a Wednesday, rather than the Thursday which had been usual since the mid-1960s.

Only one by-election since has been held on a day other than a Thursday, the 1978 Hamilton by-election.