Coralline

Coralline means 'resembling coral' and may refer to:


 * Coralline algae, or corallines, red algae that produce calcareous deposits
 * Less commonly, organisms that resemble coral, such as certain bryozoans, hydrozoans, or coralline sponges
 * The calcareous material in coral reefs
 * Coralline rock, produced by coralline algae
 * Something having a red coral colour