Dover

Unionist hold / John Jacob Astor

	Party	Candidate	Votes	Percent	Change
	Unionist	Astor, John Jacob	18,151	62.2%	-6.5%
	Independent Parliamentary Group	Polson, Thomas Andrew	8,054	27.6%	N/A
	Liberal	Stein, Leonard Jacques	2,985	10.2%	-21.1%
Majority			10,097	34.6%	-2.8%
Turnout			29,190	77.6%	31.1%
Swing				-17.05%
Note: These results are in comparison to the previous General Election, not the 12 Jan 1921 by-election