Search gender: all male female Haseo Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: haseo Katakana: ハセオ 0 Kanji: 長谷夫 Meaning: 長Long. Long distance or interval. A large range of time. Nurture. advantage. Relaxed. Eldest. Things that are at the top. Something that is useless. 谷Valley 夫Husband. A man who is married. An adult male. A full-fledged man. A respectable man. A man engaged in labor. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Haseo Name Meaning, Kanji Variations.