Family name Locuste (Locust 
, Locuste 
, Locusta ) , around the globe, is a rare surname. The family name Locuste is habitual in Italy, where it is a rare surname, the United States, and New Zealand. In absolute terms, it most frequently occurs in the United States, Italy, and France. Very seldom, Locuste is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Locust | South Africa, Taiwan, United States, Brazil, New Zealand |
| Locuste | Italy, France, United States |
| Locusta | Italy, Brazil |