Fourier (French pronunciation ) may refer to: Charles Fourier (1772–1837), a French utopian socialist thinker Joseph Fourier (1768–1830), a French mathematician and physicist Mathematics, physics, and engineering terms named in his honor for his work on the concepts underlying them: Mathematics tools: The Fourier series, a weighted sum of sinusoids having a common period, the result of Fourier analysis of a periodic function Fourier analysis, the description of functions as sums of… (More on Fourier)