Japanese name meaning 'faithful,' 'correct,' or 'loyal,' embodying integrity and righteousness.
Tadashi (忠) is a Japanese masculine given name most commonly written with the kanji meaning 'loyalty,' 'faithfulness,' or 'correct and upright.' It belongs to a constellation of traditional Japanese names that encode Confucian virtues directly into identity — to name a child Tadashi was historically an act of moral aspiration, embedding the hope for integrity and righteousness into the very syllables a child would hear called across playgrounds and boardrooms for a lifetime. The pronunciation flows cleanly — tah-DAH-shee — with a rhythm that feels both vigorous and composed.
The name has been carried by figures of genuine distinction: Tadashi Suzuki, the influential theater director whose rigorous physical performance method reshaped modern acting training worldwide; Tadashi Yanai, founder of Uniqlo and one of Japan's most prominent business leaders; and Tadashi Shoji, the fashion designer whose elegant eveningwear dresses millions of women for milestone moments. Each embodies in their own way the upright purposefulness the name encodes. In the West, Tadashi gained a warm, cross-cultural familiarity through the Pixar/Disney film 'Big Hero 6' (2014), in which Tadashi Hamada is portrayed as a brilliant, selfless older brother — a depiction that honored the name's traditional meaning beautifully.
The film introduced the name to a generation of non-Japanese families who found it melodic and meaningful. Today Tadashi sits at an intriguing intersection: deeply rooted in Japanese cultural heritage yet increasingly embraced internationally, a name that travels well without losing its essential character.