Family name Manohan (Manohan 
, มโนหาญ , มะโนหาญ ) , across the world, is a rare cognomen. The surname Manohan is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and New Zealand. Measured by absolute frequency, it most frequently occurs in Thailand, India, and Malaysia. Also, Manohan is the forename as well as the last name.