Aizen

♂ Boy

Pronounced EYE-zen /ˈaɪ.zən/High

Meaning: Love and wisdom; from Japanese ai (love) + zen (wisdom/meditation), popularized as a character name in the Bleach anime seriesMedium

In 30 seconds: A Japanese name meaning 'love and wisdom' (ai: love + zen: wisdom), popularized as the name of the antagonist Sosuke Aizen in the Bleach anime series (2004–2012). One of the most popular Japanese-anime-inspired names to enter U.S. birth records.

💕 Browse more names

Origin MediumJapanese

MeaningLove and wisdom; from Japanese ai (love) + zen (wisdom/meditation), popularized as a character name in the Bleach anime series

U.S. rank (2025)#1081 ↘ Falling

2025 U.S. births199 boys (0.01% of U.S. boys)

Peak year2024

Total births (all-time)≈ 1,933

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Aizen as a given name in the U.S. derives primarily from the Bleach anime character Sosuke Aizen. The Japanese name combines ai (love, affection) and zen (wisdom, meditation/Zen Buddhism). As a Western given name it entered birth records following the anime's global popularity.

Aizen appeared in U.S. birth data from the 2010s. It ranked #1003 for boys in 2024.

Did you know? Sosuke Aizen is the primary antagonist of the Bleach anime — a calm, intellectual villain whose multi-decade plan to achieve godhood makes him one of the most elaborately plotted villains in manga history. His name's meaning (love + wisdom) perfectly fits his character's combination of manipulation and intelligence.

Overall data confidence 72%

U.S. Social Security Administration — popularity data

Variations

Aizen

Nicknames

AiZen

Famous Bearers

Famous bearers coming soon.

If you like Aizen…

Kenzo— Japanese masculine name with the same zen element

Caisen— a similarly popular pick

Kaizen— shares the -en ending

Raiden— shares the -en ending

Kaisen— another Japanese name

Explore names like Aizen

By themetwo-syllable japanese wisdom love anime

By meaningLove Wisdom

All themes →All meanings →All origins →

Frequently Asked

What does the name Aizen mean?

Aizen means 'love and wisdom' in Japanese (ai: love + zen: wisdom). It was popularized as the name of the Bleach anime villain Sosuke Aizen.

How do you pronounce Aizen?

It's said EYE-zen — two syllables, stress on the first.

Is Aizen a boy or girl name?

Aizen is used as a boys' name.

How popular is Aizen?

Aizen ranked #1003 for U.S. boys in 2024.