Juttadinteria ausensis is a species of plant in the family Aizoaceae that is endemic to Namibia.

J. ausensis is known only from 5-10 subpopulations near Lüderitz in the ǁKaras Region of Namibia, where it grows in open, sandy plains among dolomite, quartz, and limestone pebbles.

[3][4] J. ausensis is an upright or decumbent succulent plant growing to 300 mm (12 in) tall.

The leaves are three-sided, grey-green in colour, measuring 20–43 mm (0.79–1.69 in) by 10–15 mm (0.39–0.59 in) with toothed margins.

The flowers, measuring 40–45 mm (1.6–1.8 in) across, each bear 45-65 white petals and over 250 stamens.