John Lowther
John Lowther may refer to:
- Sir John Lowther of Lowther Hall, Member of Parliament for Westmorland
- Sir John Lowther, 1st Baronet, of Lowther, Member of Parliament for Westmorland 1660–1661
- John Lowther , Member of Parliament for Appleby 1661–1668
- Sir John Lowther, 2nd Baronet, of Whitehaven, Member of Parliament for Cumberland 1665–1701
- John Lowther, 1st Viscount Lonsdale, Member of Parliament for Westmorland 1677–1679 and 1681–1696
- John Lowther, Member of Parliament for Pontefract 1722–1729
- Sir John Lowther, 1st Baronet, of Swillington, Member of Parliament for Carlisle, Cockermouth, Cumberland, and Haslemere
- Sir John Lowther, 2nd Baronet, of Swillington, Member of Parliament for Cockermouth, Wigtown, and York
- John Luke Lowther,, soldier, politician and Lord Lieutenant of Northamptonshire