St. Andrew's Cross may refer to:
Saltire, a heraldic symbol in the form of a diagonal cross Flag of Scotland, the national flag of Scotland, a white saltire on a blue field St. Andrew's cross (philately), a saltire that occurs on some philatelic items Saint Andrew's Cross (BDSM), a common piece of equipment in BDSM dungeons St Andrew's Cross, Glasgow, a road junction in Glasgow, Scotland Hypericum hypericoides, or St. Andrew's cross, a species of flowering plant Argiope (spider), or St. Andrew's cross spider, a genus of spiders
See also Andrew Cross (disambiguation)