Blue lily may refer to the following plant species: Agapanthus praecox, native to South Africa and widely cultivated Nymphaea caerulea (Blue Egyptian water lily or sacred blue lily), native to East Africa and widely cultivated Nymphaea violacea, a species of waterlily native to northern Australia Stypandra glauca (nodding blue lily), native to Australia Thelionema caespitosum (tufted blue lily), native to Australia Triteleia grandiflora, native to western North America
See also Blue bead lily, Clintonia borealis Dianella (plant), a genus of plants known as flax lilies, with blue flowers and blue berry-like fruit