| After Election: | Deborah Grey |
| Popular Vote2: | 6,912 |
| Percentage2: | 30.18% |
| Swing2: | 10.22pp |
| Map Size: | 200px |
| Swing1: | 36.50pp |
| MP | |
| Posttitle: | Elected MP |
| Previous Year: | 1988 |
| Percentage1: | 48.70% |
| Country: | Canada |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | no |
| Party Name: | no |
| Previous Election: | 1988 Canadian federal election |
| Candidate2: | Dave Broda |
| Before Election: | Vacant |
| Next Election: | 1993 Canadian federal election |
| Candidate1: | Deborah Grey |
| Swing5: | 9.96pp |
| Image4: | LPC |
| Popular Vote1: | 11,154 |
| Seats For Election: | Riding of Beaver River |
| Popular Vote4: | 2,756 |
| Swing4: | 7.13pp |
| Percentage5: | 9.09% |
| Percentage4: | 12.03% |
| Popular Vote5: | 2,081 |
| Candidate5: | Barbara Bonneau |
| Candidate4: | Ernie O. Brosseau |
| Image5: | NDP |
| Next Year: | 1993 |
| Election Name: | 1989 Beaver River federal by-election |
A by-election was held in the Alberta federal riding of Beaver River on March 13, 1989. The election was triggered by the death of incumbent John Dahmer, who died five days after winning the seat in the 1988 federal election.[1]
Reform candidate Deborah Grey won the by-election, becoming the party's first elected MP.[2]