Julie Plec is an American television producer, writer and director, known for her work on The CW television series The Vampire Diaries (2009–2017) which she co-created with Kevin Williamson, and its spin-offs The Originals (2013–2018) and Legacies (2018–2022). She also developed the limited series Containment (2016).

The Vampire Diaries is an American supernatural teen drama television series developed by Kevin Williamson and Julie Plec, based on the book series of the same name written by L. J. Smith. The series premiered on The CW on September 10, 2009, and concluded on March 10, 2017, having aired 171 episodes over eight seasons.