Sir Luke Schaub (1 May 1690 – 27 February 1758) was a British diplomat.

He was chargé d'affaires at Vienna 1715–16 and at Madrid 1719–20.

In January 1737 he was involved in the so-called Salmon War between Basle and France.

Courtney, William Prideaux (1897).

This British diplomat-related article is a stub.