William Rowley was an English playwright and actor active during the early 17th century. He is best known for his collaborations with other playwrights, including Thomas Middleton, and for his own works such as All's Lost by Lust and The Witch of Edmonton. Rowley's plays often explored themes of morality and human nature. In addition to his writing, Rowley was also involved in the London theater scene, performing in various productions. His contributions to the Jacobean theater helped shape the dramatic landscape of the time, making him a notable figure in early English drama.