Ten new or noteworthy Malesian species of Loranthaceae are discussed. The known area of the relictual Cecarria obtusifolia (Merrill) Barlow is increased to include Flores and Timor. Dendrophthoe curvata (Blume) Miquel is accepted as a distinct species. The status of Dendrophthoe falcata (L. f.) Ettingsh. is discussed, and the species is excluded from the Malesian flora. Dendrophthoe gangliiformis Barlow is described as a new species from Celebes, Alor and Tanimbar. A new combination, Dendrophthoe kerrii (Craib) Barlow, is made for the mainland Asian taxon Loranthus kerrii Craib. Dendrophthoe x rimituba Barlow is described as a new nothospecies endemic to Sumatra. A new combination, Dendrophthoe timorana (Danser) Barlow, is made for a species previously placed in the genus Amyema. Loranthus odoratus Wallich is recorded from Sumatra as a new genus and species for Malesia. Macrosolen brevitubus Barlow is described as a new species endemic to Borneo. The identity of Macrosolen melintangensis (Korthals) Miquel, a widespread species in western Malesia, is established. Trithecanthera sparsa Barlow is described as a new species endemic to Borneo.