Gender Masculine Usage Japanese Scripts 一也, 和也, etc.(Japanese Kanji) かずや(Japanese Hiragana) Pronounced Pron. /kä.zɨᵝ.jä/ Meaning & History From Japanese 一 (kazu) meaning "one" or 和 (kazu) meaning "harmony, peace" combined with 也 (ya) meaning "to be, also". Other combinations of kanji can form this name as well.