Kalyanasundaram may refer to:
- B. Kalyanasundaram, an Indian cricketer
- K. Kalyanasundaram, an Indian politician
- Kalyanasundaram Higher Secondary School, a school in Thanjavur, India
- M. Kalyanasundaram, an Indian politician
- Pattukkottai Kalyanasundaram, an Indian poet
- Thiru. V. Kalyanasundaram, an Indian scholar