Acropora batunai is a species of acroporid coral that was described by Carden Wallace in 1997. Found in protected, shallow reefs, it occurs in a marine environment at depths of up to 44 m (144 ft). The species is rated as vulnerable on the IUCN Red List, with a decreasing population, and is extremely fragile. It can be found over a large area but, overall, is not common.

Description Acropora batunai species form in structures resembling cushions or corymboses that are 35 millimetres (1.4 in) thick and 1.25 metres (4 ft 1 in) wide. In colour, it is grey, blue, pale brown, and sometimes pink or brown-white. It has long flat branches which contain upright-facing branches and can be arranged in a table-like structure. The radial corallites and axial corallites are combined, small, sharp and tube-like, with the radial corallites are arranged like bottlebrushes. Axial corallites have diameters of 0.6–1 millimetre (0.024–0.039 in) (outer) and 0.2–0.5 millimetres (0.0079–0.0197 in) (inner). The species is similar to Acropora microclados and Acropora rambleri.