James Joseph Walsh (1865–1942)[1] was an American physician and author.

[2] He graduated from Fordham College in 1884 (PhD, 1892) and from the University of Pennsylvania (MD) in 1895.

After postgraduate work in Paris, Vienna and Berlin he settled in New York.

In addition to contributing to the New International Encyclopedia and to medical and other journals, he also published a variety of popular works.

[3] In 1916, he received the Laetare Medal from the University of Notre Dame.