Julie Speidel (born 1941 in Seattle) is a sculptor from Seattle, Washington. She is the daughter of author Bill Speidel and stepdaughter of oceanographer Robert S. Dietz. She is also part owner of the Seattle Underground tours company, Bill Speidel Enterprises. She has been described as the "greatest living woman Northwest sculptor." She is largely self-taught, though she credits George Tsutakawa for teaching per patination formulations and technique. As of 2012, she had a studio on Vashon Island.