All around the world, أرنولد (Arnold 
, Arnould 
, Metzler 
) is a widespread boy's first name. The first name أرنولد is characteristic of Philippines, where it is a common masculine name, Guam, and Germany, where it is quite a common male name (explore the name in all countries). Not in comparison with a country's population, the name is most common in Philippines, the United States, and Germany. Likewise, أرنولد is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Arnold | Germany, United Kingdom, Philippines, United States, Democratic Republic of the Congo |
| Arnould | Germany, United Kingdom, Philippines, United States, France |
| Metzler | Germany, United Kingdom, Australia, United States, France |
Aarne, Aarni, Aarno, Arn, Arnaldo, Arnas, Arnau, Arnaud, Arnauld, Arnault, Arndt, Arne, Arno, Arnol, Arnolds, Arnoldus, Arnolfo, Arnoud, Arnout, Arnt, Arnulf, Arnulfo, Von Arnold, Аарне, Арн, Арнальдо, Арнас, Арнау, Арндт, Арне, Арно, Арнол, Арнолд, Арнольд, Арнольдус, Арноуд, Арноут, Арну, Арнульф, ארנה, ארנולד, آرنه, آرني, أرنو, アルノー, アーノルド, アーン, 亚诺, 亞諾, 阿恩, and
أرنولد is also a prevalent name for the fictitious and mythical characters: Arnold Vinick , the character in The West Wing; Iron Munro , the DC Comics character; Mal Duncan , the DC Comics character, Teen Titans; Ventriloquist , the enemy of Batman in the DC Comics Universe, Detective Comics and Arnold Toht , the fictional character, Raiders of the Lost Ark, and in many other works.