| Avonbank | |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ontario |
| Subdivision Type2: | Region |
| Subdivision Name2: | Southwestern Ontario |
| Subdivision Type3: | County |
| Subdivision Name3: | Perth |
| Coordinates: | 43.3289°N -81.1292°W |
| Elevation M: | 328 |
| Population Density Km2: | auto |
| Timezone1: | Eastern Time Zone |
| Utc Offset1: | -5 |
| Timezone1 Dst: | Eastern Time Zone |
| Utc Offset1 Dst: | -4 |
| Area Codes: | 519, 226 |
Avonbank is a community on the Avon River in the township of Perth South, Perth County in Southwestern Ontario Ontario, Canada. It lies on 16th Line west of Perth Road 130, about 12km (07miles) southwest of Stratford and 8km (05miles) north of St. Marys.
Michael Steele, a physician and member of the House of Commons of Canada, was born in Avonbank.