People with the last name Castillio in Illinois
- Alejandro Castillio
- Anthony Castillio
- Catherine Castillio
- Dian Castillio
- Elizabeth Castillio
- Ella Castillio
- Enrique Castillio
- G Castillio
- Henry Castillio
- Jacqueline Castillio
- Jeniffer Castillio
- Joe Castillio
- John Castillio
- Justin Castillio
- Merissa Castillio
- Nury Castillio
- Odilon Castillio
- Oscor Castillio
- Roberto Castillio
<1>