RZ

Rz or RZ can stand for:

People:
 * Friederike Schwarz, Czech composer and journalist who used rz as a pseudonym)
 * Robin Zander, American rock singer with Cheap Trick
 * Richard Zednik, Slovak professional hockey player
 * Roger Zelazny, American science fiction and fantasy writer
 * Renée Zellweger, American actress
 * Robert Zemeckis, American filmmaker
 * Ron Ziegler, White House Press Secretary under Richard Nixon
 * Raquel Zimmermann, Brazilian model
 * Robert Zimmerman (disambiguation)
 * Rachel Zoe, American fashion stylist
 * Rob Zombie, an American heavy metal artist and film director

Other uses:
 * Rz (digraph), a digraph of the Polish alphabet
 * ASEA Rz, a Swedish test locomotive
 * Redneck Zombies, a 1986 horror film
 * Return-to-zero, in line coding
 * Revolutionary Cells (RZ), a militant leftist organisation active in West Germany between 1973 and 1995
 * Lexus RZ, an automobile