The name William can be written in kanji like this: 生伊利安夢
You can select different kanji for the name William using the pulldown menus below.
生伊利安夢
This is what the name William looks like in katakana: ウイリアム
This is what the name William looks like in hiragana: ういりあむ
This is how the name William would be pronounced in Japanese: u-i-ri-a-mu
Use the Kanji Zone Name Translator to find out how other names are translated into Japanese.