Bruce Anders Marshall (born 29 March 1948) is a New Zealand taxonomist and malacologist. He is an expert on New Zealand mollusca and has named hundreds of species and genera.
He is a self-taught malacologist and started working at the Museum of New Zealand Te Papa Tongarewa in 1976.
Until 2019, he was the Collection Manager of Molluscs at the Te Papa Tongarewa, where he described the largest number of new species in the history of the museum.
In 2012 he was awarded a Doctor of Science degree by Victoria University of Wellington. The conferment letter described him as "the leading authority on the taxonomy and systematics of living molluscs in New Zealand".
In 2018 he was awarded the Lifetime Achievement award by the Malacological Society of Australasia.
As of 2019, 24 species and 6 genera had been named after him. The genera are: