Ten Days in a Mad-House is a book by newspaper reporter Nellie Bly. It was initially published as a series of articles for the New York World. Bly later compiled the articles into a book, which was published by Ian L. Munro in New York City in 1887.

This publication also contains "Miscellaneous Sketches: Trying to be a Servant", and "Nellie Bly as a White Slave".