Weddell's saddle-back tamarin (Leontocebus weddelli) is a species of saddle-back tamarin, a type of small monkey from South America.

[2][1] There are 3 subspecies:[2][1] Males have a head and body length of about 190.0 millimetres (7.48 in) and females have a head and body length of about 196.6 millimetres (7.74 in).

[1] Its diet consists of fruits, gums, nectar, insects and other small animals.

[1] Females sometimes remain in their natal group.

[1] The IUCN rates it as least concern from a conservation standpoint.