Across the world, لوثر (Luther 
, Lotar 
, لوثر 
) is a common boy's first name. The first name لوثر is habitual in the United States, where it is quite a rare male name, Cameroon, and the Democratic Republic of the Congo, where it is quite a rare principally boy's, but scarcely female name. In absolute terms, it most frequently occurs in the United States, Indonesia, and the Democratic Republic of the Congo. Likewise, لوثر is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Luther | Philippines, Indonesia, United States, Germany, Democratic Republic of the Congo |
| Lotar | Philippines, India, United States, Germany, Indonesia |
| لوثر | Iraq |
| Lothair | Philippines, France, Mexico, United States, Germany |
لوثر is also a popular name for the fictitious and mythical characters: Luther , the fictional character from Detroit: Become Human; Luther Hargreeves , character in The Umbrella Academy; Luther Stickell , the fictional character from the Mission: Impossible films; Luther West , the character in the Resident Evil Franchise, Resident Evil: Afterlife and Luther Van Dam , the character from Coach, and in many other works.