| James A. Walsh | |
| Birth Date: | 24 July 1897 |
| Birth Place: | New York City |
| Placeofburial: | Long Island National Cemetery, Farmingdale, New York |
| Placeofburial Label: | Place of burial |
| Allegiance: | United States |
| Branch: | United States Navy |
| Rank: | Lieutenant |
| Battles: | United States occupation of Veracruz |
| Awards: | Medal of Honor |
James Aloysius Walsh (July 24, 1897 – May 29, 1960) was a United States Navy sailor and a recipient of the U.S. military's highest decoration, the Medal of Honor, for his role in the occupation of Veracruz. Only 16 at the time of his actions, he was possibly the youngest recipient of the Medal in the 20th century.
A native of New York City, Walsh joined the Navy from there and by April 21, 1914, was serving as a seaman on the . On that day and the next, he participated in the capture of the Mexican port city of Veracruz. For his "extraordinary heroism" during the battle, he was awarded the Medal of Honor two months later, on June 15.
Walsh reached the commissioned officer rank of lieutenant before leaving the Navy. He died at age 62 and was buried at Long Island National Cemetery in Farmingdale, New York.
Citation:
On board the U.S.S. Florida; for extraordinary heroism in the line of his profession during the seizure of Vera Cruz Mexico, 21 and 22 April 1914.