The designation bay leaf plural Bay leaves is shared by:

The leaf of the bay laurel or "true laurel", Laurus nobilis, is a culinary herb often used to flavor soups, stews, and braises and pates in Mediterranean Cuisine.

  • California bay leaf
The leaf of the California bay tree (Umbellularia californica), also known as 'California laurel', 'Oregon myrtle', and 'pepperwood', is similar to the Mediterranean bay, but has a stronger flavor.

The leaf of the Cinnamomum tejpata tree, similar in fragrance and taste to cinnamon bark, but milder. In appearance, it is similar to the other bay leafs, but is culinarily quite different.