| School | Stadium Name | Google Link |
|---|---|---|
| Address | City | County |
| Class | Conference | Region |
| Surface | Capacity | More Info |
| Oak Park | Google Map | |
| 13701 Oak Park Blvd | Oak Park | Oakland |
| A | Oakland Activities White | Southeast |
| Infilled | 0 | More Info |
| Ogemaw Heights | Ogemaw Heights Stadium | Google Map |
| 960 M-33 | West Branch | Ogemaw |
| B | Independent | Northeast |
| Grass | 0 | More Info |
| Okemos | Google Map | |
| 2800 Jolly Rd | Okemos | Ingham |
| A | Capital Area Activities Blue | Central |
| Infilled | 0 | More Info |
| Olivet | Google Map | |
| 255 1st St | Olivet | Eaton |
| B | Greater Lansing Athletic | Central |
| Infilled | 0 | More Info |
| Onaway | Google Map | |
| 4549 M-33 | Onaway | Presque Isle |
| D | 8 Man Midwest Central Michigan East | Northeast |
| Grass | 0 | More Info |
| Onekama | Portager Field | Google Map |
| 5016 Main St | Onekama | Manistee |
| D | 8 Man Midwest Central Michigan West | Northwest |
| Grass | 0 | More Info |
| Onsted | Redfield Stadium | Google Map |
| 10109 Slee Rd | Onsted | Lenawee |
| B | Lenawee County Athletic | Southeast |
| Grass | 0 | More Info |
| Ontonagon | Google Map | |
| 701 Parker Ave | Ontonagon | Ontonagon |
| D | 8 Man Great Lakes West | Upper Peninsula |
| Grass | 0 | More Info |
| Orchard Lake St Mary's | Msgr. Milewski Field | Google Map |
| 3535 Indian Trail | Orchard Lake | Oakland |
| A | Catholic Leage Central | Southeast |
| Infilled | 0 | More Info |
| Ortonville-Brandon | Google Map | |
| 1025 S Ortonville Rd | Ortonville | Oakland |
| B | Flint Metro League II | Southeast |
| Infilled | 0 | More Info |
| Oscoda | Robert D. Hodges Sports Complex | Google Map |
| 3550 E River Rd | Oscoda | Iosco |
| C | North Star | Northeast |
| Grass | 0 | More Info |
| Otisville LakeVille Memorial | Google Map | |
| 11107 Washburn Rd | Otisville | Genesee |
| B | Mid-Michigan Activities | Thumb |
| Grass | 0 | More Info |
| Otsego | Bulldog Stadium | Google Map |
| 550 Washington St | Otsego | Allegan |
| B | Wolverine B | Southwest |
| Infilled | 0 | More Info |
| Ottawa Lake Whiteford | Google Map | |
| 6655 Consear Rd | Ottawa Lake | Monroe |
| C | Tri-County | Southeast |
| Grass | 0 | More Info |
| Ovid-Elsie | Mark O'Donnell Field | Google Map |
| 8989 E Colony Rd | Elsie | Clinton |
| B | Mid-Michigan Activities | Central |
| Grass | 0 | More Info |
| Owendale-Gagetown | Google Map | |
| 7166 Main St | Owendale | Huron |
| D | 8 Man North Central Thumb White | Thumb |
| Grass | 0 | More Info |
| Owosso | Willman Field | Google Map |
| 300 S Dewey St | Owosso | Shiawassee |
| B | Flint Metro League II | Central |
| Grass | 0 | More Info |
| Oxford | Google Map | |
| 745 N Oxford Rd | Oxford | Oakland |
| A | Oakland Activities Red | Southeast |
| Infilled | 0 | More Info |