This is a list of things named after Pierre de Fermat, a French amateur mathematician.(This list is incomplete; you can help by expanding it.) * Fermatâ€“Apollonius circle * Fermatâ€“Catalan conjecture * Fermat cubic * Fermat curve * Fermat number * Fermat point * Fermat polygonal number theorem * * Fermat primality test * Fermat Prize * Fermat pseudoprime * Fermat quintic threefold * Fermat quotient * Fermat's difference quotient * Fermat's factorization method * Fermat's last theorem * Fermat's little theorem * Fermat's principle * Fermat's spiral * Fermat's theorem (stationary points) * Fermat's theorem on sums of two squares