Family name لاسي (Lacey 
, Lacy 
, Lasse ) , globally, is a common last name. The last name لاسي is characteristic of Guernsey, where it is quite a common surname, Ireland, and Australia (explore the name in all countries). In absolute terms, it is the most numerous in the United States, the United Kingdom, and Australia. Also, لاسي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lacey | United Kingdom, Australia, Denmark, United States, Sweden |
| Lacy | United Kingdom, Australia, Brazil, United States, Sweden |
| Lasse | United Kingdom, Brazil, Denmark, United States, Sweden |
Laci, Lars, Lassi, Lassie, Lassy, Lasy, Laurent, Laurentius, Lauri, Lawrence, Llorenc, Llorenç, Lorenz, Lorenzo, Lásse, Lőrinc, Лаврентий, Лаврентій, Ларан, Ларс, Ласе, Лассе, Ласси, Лаури, Лаурі, Ловренс, Лоран, Лоренс, Лоренсо, Лоренц, Лоренцо, Лоуренс, לורנס, לורנץ, روبرت, لارس, لوران, لورانس, لورينزو, ラッセ, ラース, レイシー, ロレンス, ローラン, ローレンス, 劳伦斯, 勒林, 勞倫斯, 拉塞, 拉尔斯, 拉斯, 拉西, 洛利, and 蕾希