Brachydiplax sobrina is a species of dragonfly in the family Libellulidae. It is native to Bangladesh, India, Myanmar, Nepal, Sri Lanka, and Thailand.
It is a small dragonfly with dark-brown eyes. Its thorax is yellowish-brown, with black metallic markings. All marks are obscured by bluish-white pruinescence in adults. Abdomen is black on dorsum, marked with broad yellow spots on the sides in sub-adults and tenerals. All the marks are obscured by blue pruinescence in adults. Female is similar to the teneral male.
It breeds in marshes, ditches, and ponds.
