Family name காளிமுத்து (Kalimuthu 
, காளிமுத்து) , all around the world, is quite a common cognomen. The surname காளிமுத்து is habitual in Malaysia, where it is quite a common surname, Singapore, where it is quite a rare surname, and Oman. Measured by absolute frequency, it is commonest in Malaysia, India, and Saudi Arabia. Likewise, காளிமுத்து is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalimuthu | Singapore, India, Sri Lanka, Malaysia, Saudi Arabia |