Surname Lkrishnan (Lkrishnan 
) , in all the world, is a very rare family name. The cognomen Lkrishnan is habitual in Malaysia, where it is a rare surname, and India, where it is an extremely rare surname. Very seldom, Lkrishnan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lkrishnan | India, Malaysia |
Others, Murugan, Rangenayagi, Ranganayagi, and Ranaganayagi