Paisley by-election may refer to one of five parliamentary by-elections held in the constituency of Paisley in Renfrewshire, Scotland:
- Paisley by-election, 1884
- Paisley by-election, 1891
- Paisley by-election, 1920
- Paisley by-election, 1948
- Paisley by-election, 1961
- See also
- Paisley South by-election (disambiguation)