Wrangelia penicillata is a species of red algae in the family Ceramiaceae. They are native to Espirito Santo and Bahia.

The type species, Wrangelia penicillata is also commonly called Pink bush alga. They form bushy plants, growing up to 20 cm (8 in) in height. They have small branches which travel outwards alternately from either side of the main branches in a single plane. They are light pink purple in colour.