Buker is a surname. Notable people with the name include:
Brian L. Buker (1949–1970), American soldier Cy Buker (1918–2011), American baseball player Henry Buker (1859–1899), American baseball player Ray Buker (1899–1992), American track and field athlete
See also Büker, surname Bucher, surname Bucker (disambiguation), includes a list of people with surname Bucker