Sagdidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks with highest diversity in the Greater Antilles. It has been classified in its own superfamily Sagdoidea and as a member of the superfamily Helicoidea. Some species of Sagdidae are ovoviviparous.
Vestigial love darts exist in some species within this family.
The family Sagdidae consists of the following subfamilies:
Genera in the family Sagdidae include:
The type genus is Sagda Beck, 1837.