This page lists of the various symbols in the Kosher Symbols group.
Most common Kosher symbols you will find at your local grocery store
Symbols in this group:
The Union of Orthodox Jewish Congregations of America (UOJCA), more popularly known as the Orthodox Union (OU), is one of the oldest Orthodox Jewish organizations in the United States. It is best known for its kosher food preparation supervision service. Its circled-U symbol, Ⓤ, a hechsher, is found on the labels of many commercial and consumer food products.