People with the last name Karthik in Illinois
- Adhithyan Karthik
- Anu Karthik
- Anuradha Karthik
- Chandra Karthik
- Chinchapattana Karthik
- Deepa Karthik
- Edward Karthik
- Emma Karthik
- Ganesh Karthik
- Jayaseelans Karthik
- Kamal Karthik
- Kannan Karthik
- Karthikreddy Karthik
- Nalini Karthik
- P Karthik
- Padma Karthik
- Priya Karthik
- Purnima Karthik
- Rajalakshmi Karthik
- Ramesh Karthik
- Ravi Karthik
- Reddy Karthik
- S Karthik
- Srividya Karthik
- Sumuki Karthik
- Varun Karthik
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