Throughout the world, เหลว (Leo 
, เหลว 
) is a widespread predominantly male, but scarcely girly first name. The first name เหลว is characteristic of Macao, where it is a common principally male, but very infrequently girly name, Hong Kong, where it is a common masculine name, and Croatia (explore the name in all countries). In absolute terms, it is commonest in Philippines, the United States, and Indonesia. Very seldom, เหลว is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Leo | Germany, Philippines, Italy, United States, Indonesia |
| เหลว | Thailand |
เหลว is also a prevalent name for the fictitious and mythical characters: Leo McGarry , the character in The West Wing; Leo Wyatt , the fictional human, Charmed; Leo Fitz , the Agents of S.H.I.E.L.D. character; Leo Kasper , the protagonist from the 2008 video game Manhunt 2 and Leo Manfred , the fictional character from Detroit: Become Human, and in many other works.