Scymnus yamato is a species of beetle of the family Coccinellidae. It is found in Japan and China (Beijing, Henan, Sichuan).
Adults reach a length of about 2.3âÂÂ2.8 mm. Males have a yellowish brown to reddish brown head, while the head of the females is black. Normally, the pronotum is black, with a brown anterolateral angle, but it may also be brown with a brown anterolateral angle and a black spot. The elytron is brown to reddish brown with blackish basal, sutural and lateral margins.