| Petőmihályfa | |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Petőmihályfa in Hungary |
| Subdivision Type: | Country |
| Subdivision Name: | Hungary |
| Subdivision Type1: | Region |
| Subdivision Name1: | Vas}} |
| Subdivision Type2: | County |
| Subdivision Type3: | Subregion |
| Subdivision Name3: | Vasvári |
| Subdivision Type6: | Rank |
| Area Total Km2: | 9.95 |
| Area Footnotes: | [1] |
| Coordinates: | 46.9809°N 16.7864°W |
| Postal Code: | 9826 |
| Postal Code Type: | Postal code |
| Area Code: | +36 94 |
| Area Code Type: | Area code |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Total Type: | Total |
| Population Density Km2: | auto |
| Population Density Urban Km2: | auto |
| Population Density Metro Km2: | auto |
| Population Footnotes: | [2] |
Petőmihályfa is a village in Vas county, Hungary.