Sticta lumbschiana is a species of foliose lichen in the family Peltigeraceae.

The lichen was formally described as a new species in by lichenologists Bibiana Moncada and Robert Lücking.

The species epithet honours lichenologist colleague Thorsten Lumbsch, "for his invaluable contributions to lichenology and his support of this project on the genus Sticta".

[2] Sticta lumbschiana has been recorded in (semi-)exposed microsites within (sub-)andine forests and páramo vegetation at altitudes ranging from 2,100 to 3,750 m (6,890 to 12,300 ft).

The species can be found growing on bark, fallen trunks, and sometimes even on soil.