Search gender: all male female Tsunetomo Boy Name Meaning, Kanji Variations. 21 names found. gender: all male female Name: tsunetomo Katakana: ツネトモ 0 Kanji: 恒友 Meaning: 恒Always. Always the same, constant. Unchanging. Continuously. Long time. Permanently. 友Friend You can save your favorite names with prev12 NazukePON > About Japanese Names > Search For Japanese Names > Tsunetomo Boy Name Meaning, Kanji Variations.