Rajat Kumar Kar
| ରଜତ କୁମାର କର | |
| Born | 2 September 1933 |
| Died | 8 May 2022 (aged 88) Bhubaneswar, Odisha |
| Occupations | Director Education,Odia playwright, Jagannath Culture Researcher, Radio & TV commentator |
| Spouse | Shantilata Kar |
| Children | Sagarika Praharaj, Er.Ranjeet Kar,Dr. Rajib Kumar Kar,Sambida Mahapatra |
| Parent(s) | Kulamani Kar (father) Indumati Devi (mother) |
| Relatives | Sarat Kumar Kar (brother) Dr. Ansuman Kar (grandson) |
| Awards | Padma Shri |
| Signature | |
Rajat Kumar Kar (2 September 1933 – 8 May 2022) was an Indian playwright, Jagannath culture researcher, and Radio and TV commentator. He had written more than 600 plays for radio. He was the longest and oldest active commentator of the Ratha Jatra of Lord Jagannath on both TV and radio for more than 62 years. The Government of India honored him with the Padma Shri award in 2021 for his works in Odia literature. He was a prolific writer on Upendra Bhanja literature and has seven non-fiction to his credit. He has also written a few books on Lord Jagannath.