The 1978 Epsom and Ewell by-election of 27 April 1978 was held after Conservative Member of Parliament (MP) Peter Rawlinson was made a Life peer. The Conservatives held on to the seat in the by-election. Amongst the candidates for the by-election was pop music impresario Jonathan King, who stood as a Royalist candidate.
Result.
! scope="col" colspan="2" style="width: 130px"|Party
! scope="col" style="width: 17em"|Candidate
! scope="col" style="width: 5em"|Votes
! scope="col" style="width: 3.5em"|%
! scope="col" style="width: 3.5em"| ;templatestyles src="Template:Tooltip/styles.css" / ;±%
! colspan="3" style="text-align: right; margin-right: 0.5em" | Majority
! colspan="3" style="text-align: right; margin-right: 0.5em" scope=row | Turnout
! style="text-align:right;" | Swing
References.
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