Across the world, לקס (Lex 
, Lax 
, Laks 
) is a common largely male, but seldom feminine given name. The forename לקס is characteristic of Suriname, where it is quite a common boy's name, Luxembourg, and Montenegro, where it is quite a rare female name. In absolute terms, it most frequently occurs in the United States, Indonesia, and Philippines. Likewise, לקס is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lex | Germany, Indonesia, United States, Myanmar, Netherlands |
| Lax | Germany, Indonesia, United Kingdom, United States, Myanmar |
| Laks | Germany, Indonesia, United Kingdom, Philippines, United States |
| לקס | Israel |
לקס is also a name for the fictitious and mythical characters: Lex Luthor , the supervillain appearing in DC Comics publications and related media, Justice League; Lex Luthor , the fictional character from the television series Smallville; Lex Luthor , the fictional character from the television series Supergirl, The Flash; Lex Luthor, Jr. , character in Lois & Clark: The New Adventures of Superman and Lex Luthor , the villain in the film Superman (1978), among other works.