How to write Dennis in Japanese
In Japan, Dennis is written in katakana: デニス, pronounced “denisu”. That's the spelling to use on a form, a name tag, or when you introduce yourself.
The kanji above are ateji — characters picked because they sound like the name. There's no single official version, so go with the one whose meaning you like best.
Dennis in kanji, character by character
More names in Japanese
Kanji meanings from KANJIDIC2 © EDRDG (CC BY-SA 4.0).