Cognomen Notty (Notty 
, 洛蒂 
) , globally, is a rare family name. The surname Notty is habitual in Singapore, where it is a rare surname, Malaysia, where it is a very rare surname, and Tanzania. Not in comparison with a country's population, the name is most common in Indonesia, Tanzania, and Malaysia. Also, Notty is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Notty | Indonesia, India, Saudi Arabia, South Africa, Tanzania |
| 洛蒂 | China |