Uebelmannia buiningii is a species of plant in the family Cactaceae.

Uebelmannia buiningii grows with greenish to reddish brown, spherical to short cylindrical bodies that reach diameters of up to 8 centimeters.

The yellow flowers are up to 2.7 inches long and reach a diameter of 2 centimeters.

[3] Uebelmannia buiningii is widespread in the Brazilian state of Minas Gerais in the Serra Negra and grows on quartz grit.

The specific epithet buiningii honors the Dutch cactus lover and specialist in Brazilian cacti Albert Frederik Hendrik Buining.