Siloam Cemetery is the oldest cemetery in the city of Vineland in Cumberland County, New Jersey, United States. It was listed on the National Register of Historic Places on April 3, 2020, for its significance in architecture and landscape architecture. The cemetery, located at 550 North Valley Avenue, was established in 1864 on a plot of land donated by Charles K. Landis, the founder of Vineland. A chapel was constructed in 1918 and features Gothic Revival architecture. It is located in the center of one of the original sections of the cemetery. Many local residents, some of whom were nationally prominent, are buried there.

Notable interments