Paula Tretkoff (née Paula Beazley Cohen) is an Australian-American mathematician who studies number theory, noncommutative geometry, and hypergeometric functions.She is a professor of mathematics at Texas A&M University, and a director of research at the Centre national de la recherche scientifique (CNRS) associated with the University of Lille.
Tretkoff was born in Sydney, Australia, but is a US citizen. She studied mathematics at the University of Sydney, earning first class honours in applied mathematics in 1978 and in pure mathematics in 1979. She completed her Ph.D. in 1985 at the University of Nottingham, in England. Her dissertation, Height Problems and Modular Forms, was supervised by David Masser. She completed a habilitation in 1995 at Pierre and Marie Curie University.
Tretkoff joined CNRS as a researcher in 1983, associated with Pierre and Marie Curie University. She moved to Lille, and became a director of research, in 1995. In 2002 she took up her present position as a professor at Texas A&M, while retaining her position at CNRS.
Tretkoff is the author of two books: