Heileman is a surname. Notable people with the name include:
Gottlieb Heileman (1824–1878), the founder of the G. Heileman Brewing Company in La Crosse, Wisconsin, US John Heileman (1872–1940), American professional baseball infielder
See also G. Heileman Brewing Company of La Crosse, Wisconsin, US, a brewer that operated from 1858 to 1996