H. diptera

H. diptera may refer to:
 * Halesia diptera, a silverbell, a shrub native to southeast North America
 * Hoya diptera (Seemann, 1896), a waxplant species in the genus Hoya native to the Fiji Islands
 * Diptera Americae Septentrionalis indigena, a book written by American author Loew, H. (Hermann), 1807-1879