Krishnan is of Indian origin, deriving from Sanskrit 'Krishna', which means 'dark blue' or 'black'. It's often associated with Lord Krishna, an avatar of the Hindu god Vishnu, known for his role in the ancient epic Mahabharata. In India, Krishnan is commonly used as a surname, while it's also found as a given name. The name has gained global recognition due to notable individuals like C. V. Raman Krishnan, a renowned Indian cricketer, and Ramachandra Guha Krishnan, an influential historian and biographer.
"The name Krishnan saw a significant spike in popularity between 1995 and 2007, with a total of 16 babies named Krishnan born during this period."