Marsdenia is a genus of plants in the family Apocynaceae first described as a genus in 1810.

[2] It is named in honor of the plant collector and Secretary of the Admiralty, William Marsden.

[3] The plants are native to tropical regions in Asia, Africa, Australia, and the Americas.

[4][5][6][7] As of November 2023[update], Plants of the World Online accepted the following species:[1] Species transferred to other genera (such as Anisopus, Blepharodon, Cionura, Cynanchum, Dischidanthus, Dischidia, Gongronema, Gymnema, Jasminanthes, Leichhardtia, Lygisma, Matelea, Pergularia, Sarcolobus, Secamonopsis, Sinomarsdenia, Sinomenium, Stephanotis, Stigmatorhynchus, and Vincetoxicum) include: