List of geological features on Ida and Dactyl

This is a list of named geological features on asteroid 243 Ida and its moon, Dactyl.

Regiones
Idaean regiones (geologically distinct areas) are named after the discoverer of the asteroid, and the places where he worked.

Craters
Idaean craters are named after famous caves.

Dactyl
Dactylian craters are named after the mythological Dactyls.