Cognomen 利夫 (Leif 
, Leaf 
, 利夫 ) , in the entire world, is a common last name. The cognomen 利夫 is habitual in Estonia, where it is quite a rare surname, New Zealand, and Sweden. Not in comparison with a country's population, this name is the most popular in the United States, Myanmar, and China. More frequently, 利夫 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leif | Germany, Sweden, Norway, United States, Denmark |
| Leaf | China, Norway, United States, Bangladesh, Myanmar |
| 利夫 | China |
| Leef | China, United Kingdom, Australia, Philippines, United States |
Lav, Leo, Leon, Leonas, Leone, Leons, Leth, Leu, Lev, Levko, Lew, Leão, Leó, León, Lief, Lieve, Liff, Lifu, Liv, Live, Ljun, Lleó, Lèv, Léon, Riv, Лев, Левко, Лео, Леон, Леў, Лью, Лёв, Лёва, לאו, לב, ليف, ليو, ليون, ლევან, トシオ, ルー, レオ, レオン, レフ, レヴ, 丽芙, 列佛, 列夫, 利欧, 莉夫, 莱斯, 莱昂, 路, 里昂, and 陸
| 筧 利夫 Japanese actor, JP (b. 1962) |
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