Beamer is a surname. Notable people with this surname include the following:
Diane Beamer, Australian politician
Frank Beamer (born 1946), American football coach
George N. Beamer, a United States federal judge
John V. Beamer, a Representative from Indiana in the US Congress
Keola Beamer, a Hawaiian guitar player
Shane Beamer (born 1977), son of Frank, also an American football coach
Todd Beamer (1968–2001), a victim of the September 11th attacks