Four new records of Asteraceae from Laos are reported, including Artemisia roxburghiana Besser, Blumea martiniana Vaniot, Lactuca parishii Craibex Hosseus, and Leucomeris decora Kurz. Their description, distribution, ecology, phenology, notes, and illustrations are provided. Three species (A. roxburghiana, La. parishii, and Le. decora) are lectotypified.