Cytora gardneri is a species of land snail that is endemic to New Zealand.
The shells grows up to in height, and have a larger height than width. The shell is coloured "translucent yellowish to light reddish brown."
Cytora gardneri is found in the far north of Aupouri Peninsula, which is at the northern tip of the North Island.
Cytora gardneri is listed under the New Zealand Threat Classification System as "Nationally Endangered".
The species is named after , who was a malacologist.
The holotype is stored at the Te Papa Museum under registration number M.179667.