Cairnwood is a 26,000 square feet (2,400 m2)[2] historic home located adjacent to the Glencairn Museum in Bryn Athyn, Montgomery County, Pennsylvania.

It was built for John Pitcairn, Jr. (1841–1916), President of Pittsburgh Plate Glass Company.

It is a 2½-story, Roman brick and limestone French country estate home in the Beaux Arts style.

The property is now owned by the Academy of the New Church and serves as a special events facility, specifically hosting weddings, corporate functions, fundraising and social events of all kinds.

It is a contributing property to the Bryn Athyn Historic District.