Joel or Yoel is a name meaning "Yahweh Is God" in Hebrew and may refer to:
- Joel (given name), including a list of people named Joel or Yoel
- Joel (surname), a surname
- Joel (footballer, born 1904), Joel de Oliveira Monteiro, Brazilian football goalkeeper
- Joel (footballer, born 1980), Joel Bertoti Padilha, Brazilian football centre-back
- Joel (prophet), a prophet of ancient Israel
- Book of Joel, a book in the Jewish Tanakh, and in the Christian Bible, ascribed to the prophet
- Joel, Georgia, a community in the United States
- Joel, Wisconsin, a community in the United States