James Mayer

James, Jim, or Jamie Mayer may refer to:


 * James W. Mayer (1930–2013), American applied physicist
 * James Mayer (spy) (1920–1944), Mauritian secret agent during World War II
 * Jim Mayer (musician) (born c. 1961), American guitarist, singer-songwriter, and producer
 * James Erskine Mayer (1889–1957), American baseball player with the Philadelphia Phillies, the Pittsburgh Pirates, and the Chicago White Sox
 * Jamie Mayer (born 1977), Scottish former professional rugby player
 * Jim Mayer (ice hockey) (born 1954), Canadian ice hockey player