In Japan, tattoos are not necessarily viewed as "rude" in a modern social sense, but they carry a heavy historical stigma and are often associated with the Yakuza, or organized crime. For centuries, decorative tattooing was used as a form of criminal punishment, and later, the intricate "Irezumi" style became a trademark of gang affiliation. While younger generations in 2026 are increasingly accepting of tattoos as fashion or self-expression, many traditional spaces still strictly prohibit visible ink. The most common friction for travelers occurs at "Onsens" (hot springs), public bathhouses, gymnasiums, and some traditional "Ryokans." Many of these establishments maintain a "no tattoo" policy to ensure the comfort of their older or more traditional clientele. If you have tattoos, it is a sign of respect to cover them with clothing or specialized waterproof bandages when visiting these locations. While you won't be treated rudely on the street for having visible tattoos, being mindful of these cultural boundaries is a high-fidelity necessity for any traveler wishing to navigate Japanese society with grace and avoid being barred from iconic cultural experiences like a traditional communal bath.