氯化氰（Cyanogen chloride）是由氰与氯组成的无机化合物，容易凝结无色剧毒气体。

氯化氰是一种毒性很强的气体，并曾一度提出用于化学战。

它接触眼睛或呼吸器官后能直接造成损伤。

暴露在氯化氰的症状包括嗜睡、流涕、喉咙痛、咳嗽、混乱、恶心、呕吐、水肿、意识丧失、抽搐、瘫痪和死亡。

氯化氰是特别危险的，因为它能够穿透杀毒面具。

Cyanogen chloride is an inorganic compound with the formula NCCl. This linear, triatomic pseudohalogen is an easily condensed colorless gas. More commonly encountered in the laboratory is the related compound cyanogen bromide, a room-temperature solid that is widely used in biochemical analysis and preparation.