PBZ may refer to:
Pestalozzi-Bibliothek Zürich, a public library in Zurich Paclobutrazol, a plant growth regulator and antifungal agent People's Bank of Zanzibar, a Tanzanian bank Privredna banka Zagreb, a Croatian bank Pyribenzamine, a trade name for the drug tripelennamine Phenoxybenzamine NS PBZ, bank reference given by UK National Savings for Premium Bonds prizes Phantom Blade Zero