Places beginning with AS in Illinois, United States
- Asbury, Township of
- Ashburn (subdivision)
- Ashdale Junction
- Ash Grove, Township of
- Ash Grove, Township of
- Ashkum
- Ashkum, Township of
- Ashland
- Ashland, Township of
- Ashley
- Ashley, Township of
- Ashmore
- Ashmore, Township of
- Ashton
- Ashton, Township of
- Askvig Addition
- Assumption
- Assumption, Township of
- Astoria
- Astoria, Township of