Walter Jennings may refer to:
Walter Jennings (chemist) (1922–2012), American academic, chemist and entrepreneur Walter Jennings (footballer) (1897–1970), English footballer Wally Jennings (Walter Henry Jennings, 1909–1993), English footballer Walter Jennings (industrialist) (1858–1933), American industrialist and art collector Walter Jennings (politician) (1864–1942), Newfoundland politician and fisherman Dr. Walter Jennings, a fictional character in the movie Sky Captain and the World of Tomorrow