Change for the better; improvement
Kayzen is a modern phonetic adaptation of the Japanese word 'kaizen', which refers to a philosophy of continuous improvement. While not a traditional given name in Japan, it has emerged in the West as a creative name choice symbolizing growth and positive evolution.
Less common today
Kayzen isn't in the latest US Top 1000. It last peaked at #2,935 in 2025.
US births per 5-year period, 1990βpresent (SSA data).