Places beginning with SO in Michigan, United States
- Sodus
- Sodus, Township of
- Sokol Camp
- Solon
- Solon Center
- Solon, Township of
- Solon, Township of
- Somerset
- Somerset Center
- Somerset, Township of
- Sonoma
- Soo Hill
- Soo Junction
- Soo, Township of
- South Arm, Township of
- South Blendon
- South Boardman
- South Branch
- South Branch, Township of
- South Branch, Township of
- South Butler
- South Fairfield
- Southfield
- Southfield, City of
- Southfield, Township of
- Southgate
- Southgate, City of
- South Greenwood
- South Gull Lake
- South Haven
- South Haven, City of
- South Haven Highlands
- South Haven, Township of
- South Ionia
- South Jackson
- Southland
- South Lyon
- South Lyon, City of
- South Monroe
- South Monterey
- South Park
- South Range
- South Riley
- South Rockwood
- South Whitehall