Tessera (disambiguation)

A tessera is an individual tile in a mosaic.

Tessera, plural tesserae, may also refer to:
 * the number 4 in Greek (τέσσερα)
 * dice used in ancient Rome
 * the booklet of prayers of the Legion of Mary, a Catholic lay organization
 * layers of calcification on sharks' otherwise cartilaginous jaws and backbones
 * a frazione of the comune of Venice nearest to Mestre
 * Venice-Tessera Airport
 * Tessera (commerce), a token or tally in ancient and medieval times
 * Tessera (Venusian geography), large regions of highly deformed terrain, possibly unique to Venus
 * Tesserae (video game), a puzzle game for Macintosh computers
 * Tessera, the codename for the original iMac G4
 * Tessera Technologies, an international microelectronics company