Brian Richard Pratt (born 1953) is a Canadian geologist and paleontologist. He is a professor in the Department of Geological Sciences at the University of Saskatchewan and a fellow of the Geological Society of America.

Pratt was born in Hamilton, Ontario, but grew up in the Niagara Escarpment.^[1]

In 1980, his Masters thesis The St. George Group (Lower Ordovician), western Newfoundland: sedimentology, diagenesis and cryptalgal structures was the recipient of the Canadian Society of Petroleum Geologists Best M.Sc. Thesis Award. At the time, he was also employed by Petro Canada.^[2]

While conducting his PhD research, Pratt discovered fossilized worm burrows on the western side of the Mackenzie Mountains.^[3]

Pratt joined the Department of Geological Sciences at the University of Saskatchewan in 1989.^[4][5] In 2002, he was the recipient of the W. W. Hutchison Medal from the Geological Association of Canada.^[6] He was also awarded a research grant to study limestone reef.^[7] He also sat as chair on the North American Commission on Stratigraphic Nomenclature from 2002 until 2003.^[8] Two years later, in 2004, Pratt was named an associate editor for the Journal of Paleontology.^[9]

In 2006, Pratt was elected to serve on the University Council^[10] and was the recipient of the Past-President's Medal from the Geological Association of Canada.^[11] Later in 2008, Pratt was elected to serve on the council for the Geological Society of America.^[12] He was also selected to chair the International Subcommission on Stratigraphic Classification, replacing Maria Bianca Cita.^[13] Pratt was also elected the 2008 Chair of the International Subcommission on Stratigraphic Classification by a vote of 16 to 13.^[8] The following year, Pratt was elected a fellow of the Geological Society of America.^[14]

In 2012, Pratt was selected to sit on the board of Global Heritage Stone Resource as Vice President of the North America branch.^[15] In 2014, he was elected president of the Geological Association of Canada. After serving his term, he sat on the executive committee for the 2015–16 year.^[16]