C. laeta may refer to:Callirhipis laeta, a polyphagan beetle Canna laeta, a garden plant Capsula laeta, a North American moth Carex laeta, a grassy plant Carmenta laeta, a clearwing moth Cepora laeta, a Timorese butterfly Cerbera laeta, an evergreen plant Cercomacra laeta, a bird endemic to Brazil Chalcophorotaenia laeta, a jewel beetle Chersotis laeta, an owlet moth Clavatula laeta, a sea snail Clivina laeta, a ground beetle Coenosia laeta, a true fly Collonia laeta, a sea snail Colopea laeta, a spider that produces ecribellate silk Cynorkis laeta, an orchidoid orchid Cypella laeta, a northeastern Argentinian plant