User name or username?
user name is a noun meaning “Alternative form of username”; username is a noun meaning “A name or string of characters used as a person's identification on an…”. user name is written as two words and username as one word; they are used differently.
What is the difference between user name and username?
| user name | username | |
|---|---|---|
| Part of speech | noun | noun |
| Meaning | Alternative form of username | A name or string of characters used as a person's identification on an individual computer system |
| Example | none recorded | His username and password on his Apple PC is VolvestarcXXX |
| Forms | none | usernames |
| Pronunciation | not recorded | not recorded |
| In writing | not counted (the list counts single words) | 5.8 times per million words |
Sources: user name and username in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of user name and username
user name
- 1
Alternative form of username
username
- 1
A name or string of characters used as a person's identification on an individual computer system
His username and password on his Apple PC is VolvestarcXXX
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, user name or username?
user name is a phrase, which the list of single words does not count; username 5.8 times per million words.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How many people search user name vs username?
“user name vs username” is searched about 20 times a month on Google and 10 on Bing in the United States. Google counts close variants of a query together (“username vs user name”, “user name or username”).
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.