Fenestrata is an extinct order of bryozoan.
Fenestrata may also refer to:
C. fenestrata (disambiguation) Lucina fenestrata, Hinds, 1845, a bivalve species in the genus Lucina and the family Lucinidae Umbonium fenestrata, T. Kuroda, a sea snail species in the genus Umbonium Vieja fenestrata, Günther, 1860, a fish species in the genus Vieja
See also