**Jeffrey Bruce** "**Jeff**" **Paris** (; born 15 November 1944) is a British mathematician and Professor of Logic in the School of Mathematics at the University of Manchester.

Paris gained his doctorate under Robin Gandy at Manchester in 1969 with a dissertation entitled *Large Cardinals and the Generalized Continuum Hypothesis*.

Paris is known for his work on mathematical logic, in particular provability in arithmetic, uncertain reasoning and inductive logic with an emphasis on rationality and common sense principles.

Paris was elected Fellow of the British Academy in 1999.