Elizabeth Jennings may refer:

• Elizabeth Jennings (poet) (1926–2001), English poet
• Elizabeth Jennings Graham (1827–1901), African-American teacher
• Jean Bartik (1924–2011), American ENIAC computer programmer who may also be known as Elizabeth Jean Jennings
• Elizabeth Jennings (The Americans), fictional character from the TV show The Americans
• "Jennings, Elizabeth", an episode of The Americans