Family name 洛蒂 (Lotti 
, Loti 
, Notty 
) , all over the world, is a common last name. The cognomen 洛蒂 is habitual in Italy, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Israel. In absolute terms, it most frequently occurs in Italy, India, and Brazil. Much less frequently, 洛蒂 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lotti | Brazil, Tanzania, India, Germany, Italy |
| Loti | Brazil, Tanzania, India, United States, Italy |
| Notty | Brazil, Tanzania, India, United States, Indonesia |
| 洛蒂 | China |