Walter Donaldson, American soldier and songwriter (b. 1893)
This article is on the American songwriter. For the snooker player, see Walter Donaldson (snooker player).

Walter Donaldson (February 15, 1893 – July 15, 1947) was an American prolific popular songwriter and publishing company founder, composing many hit songs of the 1910s to 1940s, that have become standards and form part of the Great American Songbook.