Oldenlandiopsis (creeping-bluet) is a genus of flowering plants in the family Rubiaceae.

It is native to the West Indies, southern Mexico, and Central America.

It is naturalized elsewhere, including Florida, Hawaii, South America, and tropical Africa.

The specific epithet refers to a superficial resemblance to Callitriche, a genus in Plantaginaceae.

Oldenlandiopsis callitrichoides was first described in 1862 by August Grisebach as Oldenlandia callitrichoides in a pre-print of a paper that was published the following year in Memoirs of the American Academy of Arts and Sciences.