The 1925 Eastbourne by-election was a parliamentary by-election for the British House of Commons constituency of Eastbourne, Sussex on 17 June 1925.
Vacancy.
The by-election was caused by the resignation on 25 May of the town's Unionist Party Member of Parliament (MP) Rt Hon. Sir George Lloyd, who was elevated to the peerage as Baron Lloyd and appointed as British High Commissioner in Egypt and the Sudan. He had held the seat since the 1924 general election, having previously been MP for West Staffordshire from 1910 to 1918.
Election history.
The constituency was created in 1885 and had been won by a Unionist candidate at every election apart from 1906, the year of the Liberal landslide when it was won by a Liberal candidate. 
The result at the last General Election was
Electorate 33,318
! 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
Candidates.
All three candidates were former MPs seeking a new seat.
Campaign.
Polling Day was set for 17 June 1925. From the outset, the Unionists were expected to hold the seat. The main interest would focus on the battle for second place.
On the eve of poll, Johnstone received a telegram of support from leading Liberal David Lloyd George. Lloyd George had visited the constituency earlier in the campaign to speak for Johnstone.
At the end of the campaign, the Unionist team were predicting a majority of 6,000
Result.
Hall managed to hold onto the seat for the Unionists but with a much reduced majority. The Liberals comfortably beat Labour to finish in second place. 
Electorate 33,318
! 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
After a very disappointing 1924 general election, this was the first sign of a Liberal Party revival in the polls.
Aftermath.
Hall was replaced as Unionist candidate for the next General Election which the Unionists retained with a new candidate. In fact all the candidates fighting Eastbourne for the first time. The result at the following General Election;
Electorate 48,951
! 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
Johnstone sought entrance to parliament next at the 1927 Westbury by-election again finishing second. Williams did not stand for parliament again.
References.
 ;templatestyles src="Reflist/styles.css" / ;