People with the last name Vaidyanathan in Illinois
- Bharath Vaidyanathan
- Chitra Vaidyanathan
- Gomathy Vaidyanathan
- Gurumoorthy Vaidyanathan
- Jayashree Vaidyanathan
- Kartik Vaidyanathan
- Lk Vaidyanathan
- Mahesh Vaidyanathan
- Murali Vaidyanathan
- Nages Vaidyanathan
- Nageswaran Vaidyanathan
- P Vaidyanathan
- R Vaidyanathan
- Rajeev Vaidyanathan
- Rama Vaidyanathan
- Ramakrishnan Vaidyanathan
- Ramamurthy Vaidyanathan
- Ramesh Vaidyanathan
- Ravikumar Vaidyanathan
- Renuka Vaidyanathan
- Saraswathi Vaidyanathan
- Satish Vaidyanathan
- Shankar Vaidyanathan
- Shanmukha Vaidyanathan
- Shanthi Vaidyanathan
- Shridhar Vaidyanathan
- Smurli Vaidyanathan
- Srinath Vaidyanathan
- Srinivasan Vaidyanathan
- Srirajan Vaidyanathan
- Sriram Vaidyanathan
- Subramanian Vaidyanathan
- Suresh Vaidyanathan
- Veena Vaidyanathan
- Vijay Vaidyanathan
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