高氯酸铷是一种无机化合物，属于高氯酸盐，其化学式为RbClO₄。高氯酸铷是一种氧化剂。

它有两种晶型。其中，低于279°C为斜方晶系晶体，晶格常数 a=0.927 nm，B =0.581 nm，C =0.753 nm；超过279°C，它具有立方结构，晶格常数 a=0.770 nm

在水中的溶解度:

Rubidium perchlorate, RbClO₄, is the perchlorate of rubidium. It is an oxidizing agent, as are all perchlorates.

It has two polymorphs. One, below 279 °C crystallizes in orthorhombic crystal system with lattice constants a = 0.927 nm, b = 0.581 nm, c = 0.753 nm. Over 279 °C, it has cubic structure with lattice constant a = 0.770 nm.