Translation guide
The English word 'username' refers to a unique identifier used to log into a system or service. In Japanese, it is commonly expressed using the loanword ユーザーネーム or the more native term ユーザー名. This guide covers how to talk about usernames in various contexts, from casual to formal.
username (formal/technical)
Often used in software and official contexts.
Referring to a username in most everyday contexts, such as websites, apps, or computer systems.
The most direct loanword from English. Widely understood, especially in tech contexts.
Please enter your username.
Your username will be displayed on this site.
A slightly more formal or technical term, often used in software interfaces and documentation. Combines 'user' and 'name'.
Literally 'account name'. Used when the username is specifically tied to an account. Common in online services.
Specifically 'login name'. Used when emphasizing the name used for logging in.
Your login name is your email address.
Phrases used when requesting or providing a username in conversation or forms.
Standard way to ask 'What is your username?'. Casual to polite depending on context.
Excuse me, what is your username?
Polite request: 'Please tell me your username.'
Pattern for stating your username: 'My username is ~.'
When username is part of a login pair with password, or used in authentication.
The standard collocation for 'username and password'.
Please enter your username and password to log in.
Often used interchangeably with username in login contexts, especially when the identifier is not a name but an ID.
Both are common. ユーザーネーム is a direct loanword and feels slightly more casual or modern. ユーザー名 is a hybrid word (ユーザー + 名) and is often preferred in technical documentation and formal settings. In most everyday situations, they are interchangeable.
You can set a username in this app.
The system administrator can change the username.
Do not translate 'username' literally as 利用者名 (りようしゃめい) or 使用者名 (しようしゃめい). These are not idiomatic and may cause confusion. Stick to the loanwords or ユーザー名.
I forgot my username.
Your username must be at least 6 characters.
Please enter your username and password.
Please enter your username using half-width alphanumeric characters.
If you forgot your account name, please reset it.
On the bulletin board, you post using your handle name.
Sorry to trouble you, but please tell me your username.
My username is 'sakura123'.
If you forget your login ID, it will be sent to your registered email address.