Rei is a Japanese name that can mean qualities like grace, spirit, or beauty depending on the kanji used.
Rei is a name of Japanese origin whose meaning shifts beautifully depending on the kanji chosen to write it. The most common characters render it as "beautiful" or "elegant" (麗), while others convey "gratitude" (礼) or even "zero" (零), the latter carrying a Zen-like sense of emptiness and infinite potential. In Japanese culture, the name evokes refinement and a quiet, understated grace — qualities long celebrated in aesthetics from ikebana to the tea ceremony.
Beyond Japan, Rei resonates in Hebrew as a variant of Re'i, meaning "friend" or "companion" — a tender, relational significance that gives the name a cross-cultural warmth. In the Shinto tradition, rei also appears in words connected to the spirit world, lending the name a subtle spiritual dimension. The name reached global pop-culture consciousness through the iconic character Rei Ayanami in the anime Neon Genesis Evangelion (1995), whose enigmatic presence made the name synonymous with otherworldly mystery.
In modern usage, Rei has traveled far beyond Japan, adopted by parents in Brazil, Portugal, and across the English-speaking world who love its brevity and gentle phonetics. It sits comfortably as both a feminine and masculine name — or a gender-neutral one — making it particularly appealing in contemporary naming culture. Fashion designer Rei Kawakubo of Comme des Garçons has further anchored the name to avant-garde creativity and uncompromising artistic vision, ensuring it carries a certain cool intellectual prestige wherever it lands.