Gaiser (or Gaisser) is a surname. Notable people with the surname include:

• Fred Gaiser (1885–1918), American baseball player
• Fritz Gaiser (1907–1994), German cross-country skier
• George Gaiser (born 1945), American football player
• Jens Gaiser (born 1978), German nordic combined skier
• Julia Haig Gaisser (born 1941), American classical scholar and professor of Latin
• Marco Gaiser (born 1993), German footballer
• Megan Gaiser, American business executive
• Otto Gaiser (1919–1944), German fighter pilot
• Serge Gaisser (born 1958), French footballer
• T. Elliot Gaiser (born 1989), American attorney
• Thomas K. Gaisser (1940–1922), American astroparticle physicist

See also

• Geiser

Surname list

This page lists people with the surname Gaiser.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.