Zena is a former community (now considered a ghost town) approximately 10 miles northwest of Salem, Oregon, United States, in Polk County. The community was established in 1858 was originally called "Spring Valley". It was renamed "Zena" by Daniel Jackson Cooper and his brother Jacob Calvin Cooper, pioneers from Missouri. In 1866 they built a store and obtained the post office there, renaming the community in tribute to their wives (and sisters), Arvazena Spilman Cooper and Melzena Spilman Cooper. Zena is home to the historic Spring Valley Presbyterian Church.