L. cristata may refer to:
Lagerstroemia cristata, a species of plant in the genus Lagerstroemia Lascoria cristata, a species of moth in the genus Lascoria Lasiodora cristata, a species of tarantula in the genus Lasiodora Lepiota cristata, a species of mushroom in the genus Lepiota commonly called the stinking dapperling Lophostrix cristata, a species of owl in the family Strigidae commonly called the crested owl Lophotibis cristata, a species of bird in the ibis subfamily (Threskiornithinae) called the Madagascan ibis