Search gender: all male female Kiyonagi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kiyonagi Katakana: キヨナギ 0 Kanji: 清凪 Meaning: 清Clean. To be free from muck and dirt. Clean and righteous in mind and conduct. Refreshing. To put away. tidy up. To purify. Name of a Chinese dynasty. 凪Calm (at sea) You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kiyonagi Boy Name Meaning, Kanji Variations.