Search gender: all male female Kadoya Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kadoya Katakana: カドヤ 0 Kanji: 廉也 Meaning: 廉Unselfish 也Affirmation. Words for exclamations, questions, and antonyms. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kadoya Name Meaning, Kanji Variations.