- Source: 1898 Launceston by-election
- 1898 Launceston by-election
- 1898 Stepney by-election
- 1898 Wokingham by-election
- Launceston (UK Parliament constituency)
- 1898 Gravesend by-election
- 1898 North Down by-election
- List of ministerial by-elections to the Parliament of the United Kingdom
- 1898 Pembrokeshire by-election
- William Aikenhead
- 1898 South East Durham by-election
The 1898 Launceston by-election was held on 3 August 1898. It was held due to the death of the incumbent Liberal MP Thomas Owen. It was retained by the Liberal candidate Sir John Fletcher Moulton.