Christian Mayer may refer to: Christian Mayer (astronomer) (1719–1783), Czech astronomer and teacher Christian Mayer (skier) (born 1972), Austrian former alpine skier Christian Mayer (Wisconsin politician) (1827–1910), Wisconsin manufacturer, mayor and legislator Christian Gustav Adolph Mayer (1839–1907), German mathematician Christian Ludwig Mayer (born 1974), German pianist and composer