Mayer

Mayer may refer to:
 * Mayer (name)

Places

 * C. Mayer (crater), named after Christian Mayer
 * Mayer, Syria
 * Mayer, Arizona, United States
 * Mayer, Minnesota, United States
 * Mayersville, Mississippi, United States
 * Mayerthorpe, Alberta, Canada
 * T. Mayer (crater), named after Tobias Mayer

Companies

 * Mayer Brown, an international law firm
 * Metro-Goldwyn-Mayer, a motion picture production company
 * Mayer Hoffman McCann P.C., a U.S. CPA firm
 * Mayers Murray & Phillip, an architectural firm
 * Oscar Mayer, a meat company
 * Victor Mayer, a German jewelry manufacturer

Other

 * Mayer Authority, European consortium (1955–1958) led by René Mayer
 * Mayer expansion
 * Mayer's Relation
 * Mayer f-function
 * Mayer-Norton theorem
 * Mayer-Vietoris sequence