| Frank T.O. Walker | |
| Birth Date: | 6 October 1878 |
| Birth Place: | South Boston, Massachusetts |
| Placeofburial: | Bristol, Rhode Island |
| Placeofburial Label: | Place of burial |
| Allegiance: | United States of America |
| Branch: | United States Army |
| Rank: | Private |
| Unit: | Company F, 46th Infantry, U.S. Volunteers |
| Battles: | Philippine–American War |
| Awards: | Medal of Honor |
Frank T.O. Walker (October 6, 1878 – October 29, 1904) was a private in the United States Army and a Medal of Honor recipient for his actions in the Philippine–American War.
Rank and organization. Private, Company F, 46th Infantry, U.S. Volunteers. Place and date: Near Taal, Luzon, Philippine Islands, January 18, 1900. Entered service at: Burlington, Mass. Birth: South Boston, Mass. Date of issue: March 11, 1902.
Citation:
Under heavy fire of the enemy he rescued a dying comrade who was sinking beneath the water.