St Regulus' Hall is a hall of residence at the University of St Andrews in St Andrews, Fife, Scotland. It is located on Queen's Terrace, nearby to St Mary's College. The hall was built in 1868 and currently accommodates approximately 170 students.

Saint Regulus or Saint Rule was a legendary 4th century monk or bishop of Patras, Greece who in AD 345 is said to have fled to Scotland with the bones of Saint Andrew, and deposited them at St Andrews. His feast day in the Aberdeen Breviary is 17 October.