氯化镧是一种无机化合物，化学式为LaCl₃。

以氯化稀土或稀土硫酸铵复盐为原料，用氢氧化钠处理，并将其中的铈氧化为四价，用稀盐酸浸出，得到富镧母液和富铈渣。富镧母液再经萃取分离除去铈后，经结晶得富集氯化镧。

Lanthanum chloride is the inorganic compound with the formula LaCl₃. It is a common salt but is mainly used in research. It is a white solid that is highly soluble in water and alcohols.