The Jaguar XK150 is a sports car produced by Jaguar between 1957 and 1961 as a successor to the XK140.

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It was initially only available in fixed head coupé (FHC) and drophead coupé (DHC) versions. The unequipped all-season roadster that started the XK line was launched as the XK150 OTS (open two-seater) in 1958. Minimum rear seats were fitted to the coupes. The open two-seater was first equipped with roll-up windows in the taller, high-swinging doors, but kept the very simple folding roof of its predecessors.