Trithemis aurora, the crimson marsh glider, is a species of dragonfly in the family Libellulidae.

It is a common and widely distributed species found throughout the year across the Indian subcontinent and Southeast Asia.

The wings are transparent with crimson venation and the base has a broad amber patch.

[4][5][6] The female has an olivaceous or bright reddish-brown face with eyes that are purplish-brown above and grey below.

[7][4][8][5][6] It is commonly found in weedy tanks and ponds, marshes, channels, and slow flowing streams and rivers in the lowlands and mid-hills.