Generally no. The Yakuza keep to themselves and avoid causing trouble that would lead to a police crackdown. Messing with foreign tourists would guarantee a policy crackdown. read more
I live in Japan for more than a decade and have nothing but good things to say about Japan. For an ordinary person, Yakuza is virtually non-existent. They will not stop you at night and mug you. A professional Yakuza is not a threat to you. If you don’t get in to their business, they will never try to get in your way. read more