In the entire world, Shanmukhan (Shanmukhan 
) is a very rare masculine given name. The given name Shanmukhan is characteristic of Southern Asia, particularly India, where it is an extremely rare boy's name. Much less frequently, Shanmukhan is the last name as well as the forename.
Das, Battinapati, Narayanan, Chettiyar, Chiyyarath, Chattiyar, Nadumuri, Chettiar, Valloor, Maniyan, Pillai, Achari, Pilla, Kolla, Asari, Nair, Karunakaran, and Ramakrishnan