Deacock Glacier (53°11′S 73°31′E / 53.183°S 73.517°E / -53.183; 73.517) is a glacier close west of Lavett Bluff on the south side of Heard Island[6][7] in the southern Indian Ocean.

Its terminus is between Cape Labuan and Long Beach.

To the east of Deacock Glacier is Fiftyone Glacier, whose terminus is located between Lavett Bluff and Lambeth Bluff.

Surveyed by ANARE (Australian National Antarctic Research Expeditions), 1948–63.

[6][7] This article incorporates public domain material from "Deacock Glacier".