East Otto Union School is a historic school building located at East Otto in Cattaraugus County, New York. It was built in 1920, and functioned as a local high school from 1921 to the 1950s, after which the school was merged into the Cattaraugus Central School (now Cattaraugus-Little Valley Central School) 12 miles to the southwest. It is a Colonial Revival style frame building that features a distinctive cupola. Since 1972, the structure has served as town hall for the town of East Otto, New York.It was listed on the National Register of Historic Places in 2004.
