Oak Hill Park Historic District is a historic district located at Olean in Cattaraugus County, New York.

The 32.5-acre (132,000 m2) district encompasses 89 properties including 82 residences, two churches, one school (the Olean High School), and a landscape design.

The structures reflect a variety of mid-late 19th-century and early 20th-century architectural styles including Queen Anne, Italianate, and Gothic Revival styles.

[2] It was listed on the National Register of Historic Places in 1997.

This article about a historic property or district in Cattaraugus County, New York, that is listed on the National Register of Historic Places, is a stub.