Family name Udayakrishnan (Udayakrishnan 
) , all around the world, is an extremely rare last name. The family name Udayakrishnan is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Udayakrishnan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Udayakrishnan | India |