Ayer (surname)
Ayer is a surname. Notable people with the surname include:
- Alfred Jules Ayer, British philosopher
- Caleb Ayer, American politician
- Claire D. Ayer, Vermont politician
- David Ayer, American screenwriter
- Donald B. Ayer, United States Deputy Attorney General
- Edward E. Ayer, American antiquarian and benefactor of Newberry Library and the Field Museum of Natural History
- Francis Ayer, American advertising businessman
- Frederick Ayer, American businessman
- Frederick Ayer Jr., American government official
- Harriet Hubbard Ayer, American cosmetics entrepreneur and journalist
- Hilal Tuba Tosun Ayer, Turkish female referee
- James Cook Ayer, American patent medicine businessman
- Lewis Malone Ayer, Jr., Confederate politician
- Nat Ayer, British-American composer
- Richard S. Ayer, U.S. Representative from Virginia
