The St Rule Trophy is an international women's amateur golf tournament contested on the St Andrews Links in Scotland.

Originally the event was contested over 36 holes of the Old course on a single day, a Saturday.

The original trophy was stolen from the St Rule Club in 1986.

[1] The event was extended to 54 holes in 1989 when the men's St Andrews Links Trophy was founded.

[2] Initially the two events were played concurrently, the women playing one round on the New and Old courses on the opening day and a further round on the Old course on the second day.