Topocuvirus is a genus of viruses, in the family Geminiviridae.

There is only one species in this genus: Tomato pseudo-curly top virus.

Diseases associated with this genus include: vein swelling, curling of the leaves and leaf distortion.

[1][2] Viruses in Topocuvirus are non-enveloped, with icosahedral geometries, and T=1 symmetry.

The virus exits the host cell by nuclear pore export, and tubule-guided viral movement.