| Election Name: | 2000 Tipperary South by-election |
| Country: | Ireland |
| Type: | presidential |
| Ongoing: | no |
| Previous Year: | 1997 general election |
| Election Date: | 22 June 2000 |
| Next Year: | 2001 Tipperary South |
| Turnout: | 30,576 (58.0%) |
| 2Blank: | Percentage |
| 3Blank: | Final count |
| Nominee1: | Séamus Healy |
| Party1: | Independent politician |
| 1Data1: | 9,419 |
| 2Data1: | 30.8 |
| 3Data1: | 13,982 |
| Nominee2: | Tom Hayes |
| Party2: | Fine Gael |
| 1Data2: | 8,184 |
| 2Data2: | 26.8 |
| 3Data2: | 13,449 |
| Nominee3: | Barry O'Brien |
| Party3: | Fianna Fáil |
| 1Data3: | 6,959 |
| 2Data3: | 22.8 |
| 3Data3: | – |
| Nominee4: | Ellen Ferris |
| Party4: | Labour Party (Ireland) |
| 1Data4: | 5,133 |
| 2Data4: | 16.8 |
| 3Data4: | – |
| Nominee5: | Mary Heaney |
| Party5: | Christian Solidarity Party |
| 1Data5: | 784 |
| 2Data5: | 2.6 |
| 3Data5: | – |
| Nominee6: | Raymond McInerney |
| Party6: | Natural Law Party |
| 1Data6: | 97 |
| 2Data6: | 0.3 |
| 3Data6: | – |
| Map Size: | 200px |
| TD | |
| Before Election: | Michael Ferris |
| Before Party: | Labour Party (Ireland) |
| After Election: | Séamus Healy |
| After Party: | Independent politician |
A by-election was held in the Dáil Éireann Tipperary South constituency in Ireland on 22 June 2000. It followed the death of Labour Party Teachta Dála (TD) Michael Ferris on 20 March 2000.
The election was won by Independent South Tipperary County Councillor Séamus Healy, elected as part of Workers and Unemployed Action. The other candidates being Senator Tom Hayes standing For Fine Gael who would go on to win the 2001 Tipperary South by-election the following year, Barry O'Brien for Fianna Fáil and Ellen Ferris for the Labour Party who was Michael Ferris's window, Mary Heaney for Christian Solidarity and Raymond McInerney for Natural Law.