H. tricolor

H. tricolor may refer to:
 * Hemileuca tricolor, the tricolor buckmoth, a moth species native mainly to the Sonoran Desert of the southwestern United States
 * Hestiochora tricolor, a moth species found in the southern half of Australia
 * Heterixalus tricolor, a frog species endemic to Madagascar
 * Holacanthus tricolor, the rock beauty, a marine angelfish species
 * Hypselodoris tricolor, a colourful sea slug species