Search gender: all male female Soo Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: soo Katakana: ソウオウ 0 Kanji: 壮旺 Meaning: 壮Brave. Prosperous. big. Fine. A young man. A young, energetic man. A man of about thirty years of age. 旺Vigorous You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Soo Name Meaning, Kanji Variations.