Brachiacantha soltaui is a species of beetle in the family Coccinellidae. It is found in North America, where it has been recorded from the US state of Mississippi.
Adults reach a length of about 5 mm (males) and 5.3 mm (females). The head and pronotum are yellow, but the pronotum has a small basal brown area. The elytron is black with an orange humeral angle and apical spot.
The species is named for H. Soltau, the collector.