Stanwatkinsius is a genus of beetles in the family Buprestidae, the jewel beetles. They are native to Australia. The genus was erected in 2001 for a few species of Cisseis. Several new species were then described. These beetles are less than a centimeter long. They are iridescent, often with colorful heads and bodies in shades of green or blue. Male and female are sometimes dimorphic. They are associated with Australian plants such as Grevillea, Hakea, Casuarina, and Allocasuarina. Species include: