Rosetta Allan is a New Zealand-based writer.

Her first poetry collection, Little Rock (Boheme), was published in 2007, and her second, Over lunch (Creative Exchange), in 2010. Her poetry has appeared in publications and anthologies in New Zealand, Australia and the US, and in online literary journals.

Her debut novel, Purgatory (Penguin, 2014), is a historical novel based on the Otahuhu murders of 1865.