A. W. Buck House is a historic home located at Ebensburg, Cambria County, Pennsylvania. It was built in 1889, and is a high style Queen Anne style dwelling. A two-story wing with end tower was built in 1903. It is a 2+1⁄2-story, three-bay brick building. It features an eight sided, three-story tower and a wrap-around porch. It was originally built as a private residence. In 1923, it was purchased by the Roman Catholic Diocese of Altoona-Johnstown as a convent for the Sisters of St. Joseph.

In 1990, it was sold to the Cambria County Historical Society and is operated as a local history museum.

It was added to the National Register of Historic Places in 1995.