Cattleya mossiae (literally 'Moss' Cattleya'), commonly known as the Easter orchid, is a species of labiate Cattleya orchid.

The white-flowered form is sometimes known as Cattleya wagneri.

[1] The diploid chromosome number of C. mossiae has been determined as 2n = 40.

The haploid chromosome number has been determined as n = 20.

[2] It is among the group of very fragrant orchids.