Cardium (from Greek καρδίᾱ kardiā, heart) may refer to:
- -cardium, a combining form used in terms associated with the heart such as pericardium, epicardium and endocardium
- Cardium (bivalve), a genus of molluscs in the family Cardiidae
- Cardium edule, now named Cerastoderma edule, the common cockle
- Cardium Formation, a stratigraphic range in western Canada
- Cardium pottery, a Neolithic decorative style
This disambiguation page lists articles associated with the title Cardium.
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