Krishnan is a common name in India, often associated with the Hindu god Krishna. The name is derived from Sanskrit, meaning "dark" or "black," which reflects the complexion of Krishna in many depictions. It is widely used among various communities and can be found in different forms across South Asia. In addition to being a personal name, Krishnan is also a surname. Many notable individuals bear this name, including scientists, artists, and politicians. The name is prevalent in states like Tamil Nadu and Kerala, where it holds cultural significance and is often linked to family heritage.