The order Psocodea is poorly known from Laos. Here three new species of Stenopsocidae were described, i.e., Malostenopsocus lacteus sp. nov., Stenopsocus abnomis sp. nov., and Stenopsocus wangi sp. nov. Stenopsocus externus Banks, 1937 is also newly recorded from Laos.
Keywords: Psocoptera, taxonomy, Stenopsocus, Malostenopsocus.