Heather McDonald (disambiguation)

Heather McDonald (born 1970) is an American actress, comedian and author.

Heather McDonald or Mac Donald may also refer to:
 * Heather McDonald (playwright) (born 1959), American playwright, director, librettist, and professor
 * Heather McDonald (rugby union), Canadian rugby union player
 * Heather Mac Donald (born 1956), American political commentator, essayist, and attorney
 * Heather Lyn MacDonald, American film director and producer