Coenogonium lueckingii is a species of corticolous (bark-dwelling), crustose lichen in the family Coenogoniaceae.

The lichen was formally described as a new species in 2015 by Yogesh Joshi, Liudmila Gagarina, Joseph Halda, and Jae-Sun Hur.

The type specimen was collected from Wonang Falls in Donnaeko valley (Seogwipo, Jeju Province) at an altitude of 330 m (1,080 ft).

The species epithet honours lichenologist Robert Lücking, "for his enormous contributions to the field of lichenology".

Its apothecia are between 0.4 and 0.9 mm in diameter, and have a disc that is pale yellowish-orange to deep orange, encircled by a cream-coloured margin.