Symphytognathidae is a family of spiders with 90[1] described species in eight genera.

They occur in the tropics of Central and South America and the Australian region (with Oceania).

[2] The species Patu digua is considered to be one of the smallest spiders in the world with a body size of 0.37 millimetres (0.015 in).

[3] Symphytognathidae are four, six or eight-eyed spiders and are generally small in size.

[4] As of April 2019[update], the World Spider Catalog accepts the following genera:[2]