Search gender: all male female Neichi Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: neichi Katakana: ネイイチ 1 Kanji: 寧一 Meaning: 寧Tranquil 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Neichi Name Meaning, Kanji Variations.