Robert Merry's Museum was a 19th-century American monthly children's magazine. It was founded in 1841 by Samuel Griswold Goodrich in Boston, Massachusetts. The original Boston publisher was Bradbury & Soden. The monthly began publication as a 12.5 cent, 32 page magazine in February 1841. The number of pages had grown to 48 by November 1872, at which time the magazine was absorbed by "The Youthful Companion".