Search gender: all male female Katsui Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: katsui Katakana: カツイ 0 Kanji: 勝伊 Meaning: 勝Win. To defeat an opponent. Be superior to others. To endure. Good scenery or landscape. Excellent. All. No residue. 伊Italy. Third person. This. Just. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Katsui Boy Name Meaning, Kanji Variations.