Knollwood Cemetery is a cemetery located at 1678 SOM Center Road in Mayfield Heights, Ohio. Established in 1908, it is one of the largest cemeteries in Cuyahoga County. A mausoleum was completed in 1926, and an expansion finished in 1959. The cemetery's mausoleum, the largest in the state, boasts a number of windows by Tiffany & Co.