Beldam may refer to:

People The Beldam Painter (active circa 470 to before 450 BC), Greek black-figure vase painter George Beldam (1868–1937), English cricketer and photographer George Beldam, alias Rex Bell (1903–1962), American actor and politician Joseph Beldam (1795–1866), English writer, historian and advocate of the abolition of slavery

Fictional characters The Beldam, the main antagonist of Neil Gaiman's dark fantasy novella Coraline and its subsequent film adaptation Beldam (Paper Mario), one of the Shadow Sirens in Paper Mario: The Thousand-Year Door

See also Beldame (1901–1924), an American racehorse and broodmare La Belle Dame sans Merci, a ballad by English poet John Keats