The San Remo is a cooperative apartment building at 145 and 146 Central Park West, between 74th and 75th Streets, adjacent to Central Park on the Upper West Side of Manhattan in New York City. It was constructed from 1929 to 1930 and was designed by architect Emery Roth in the Renaissance Revival style. The San Remo is 27 stories tall, with twin towers rising from a 17-story base. The building is a contributing property to the Central Park West Historic District, a National Register of Historic Places–listed district, and is a New York City designated landmark.

A housing cooperative, or housing co-op, is a legal entity, usually a cooperative or a corporation, which owns real estate, consisting of one or more residential buildings; it is one type of housing tenure. Typically housing cooperatives are owned by shareholders but in some cases they can be owned by a non-profit organization. They are a distinctive form of home ownership that have many characteristics that differ from other residential arrangements such as single family home ownership, condominiums and renting.