| Seats For Election: | Riding of Nanaimo—Ladysmith |
| Turnout: | 41.44% (33.56pp) |
| Candidate1: | Paul Manly |
| Swing5: | 12.52pp |
| Popular Vote1: | 15,302 |
| Popular Vote4: | 9,446 |
| Swing4: | 10.20pp |
| Percentage5: | 10.99% |
| Percentage4: | 23.00% |
| Popular Vote5: | 4,515 |
| Candidate5: | Michelle Corfield |
| Candidate4: | Bob Chamberlin |
| Image5: | LPC |
| Next Year: | Oct. 2019 |
| Next Election: | 2019 Canadian federal election |
| Before Election: | Sheila Malcolmson |
| Candidate2: | John Hirst |
| Popular Vote2: | 10,215 |
| Percentage2: | 24.88% |
| Swing2: | 1.52pp |
| Map Size: | 200px |
| Swing1: | 17.51pp |
| MP | |
| Posttitle: | Elected MP |
| Previous Year: | 2015 |
| After Election: | Paul Manly |
| Percentage1: | 37.26% |
| Country: | Canada |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | no |
| Party Name: | no |
| Previous Election: | 2015 Canadian federal election |
| Election Name: | 2019 Nanaimo—Ladysmith federal by-election |
A by-election was held in the federal riding of Nanaimo—Ladysmith on May 6, 2019, following the resignation of incumbent New Democratic MP Sheila Malcolmson.
Green candidate Paul Manly won the by-election, becoming the second Green Party member to be elected to the House of Commons.[1]