- Source: 1873 Wigtownshire by-election
- 1873 Wigtownshire by-election
- 1873 Dundee by-election
- 1873 Renfrewshire by-election
- 1873 Berwickshire by-election
- 1873 Orkney and Shetland by-election
- List of ministerial by-elections to the Parliament of the United Kingdom
- 1869 Wigtown Burghs by-election
- Wigtownshire (UK Parliament constituency)
- Whauphill
- Thomas C. MacMillan (politician)
The 1873 Wigtownshire by-election was fought on 21 February 1873. The by-election was fought due to the Succession to a peerage of the incumbent MP of the Conservative Party, Lord Garlies. It was won by the Conservative candidate Robert Vans-Agnew.