| Kenneth Cassidy | |
| Birth Date: | 14 September 1893 |
| Birth Place: | Fort Scott, Kansas, U.S. |
| Death Place: | Escondido, California, U.S. |
| Alma Mater: | Fairmount College Ottawa University |
| Coach Sport1: | Football |
| Coach Years2: | 1919 |
| Coach Team2: | Fairmount |
| Coach Sport3: | Basketball |
| Coach Years4: | 1919–1920 |
| Coach Team4: | Fairmount |
| Overall Record: | 2–6–2 (football) 8–8 (basketball) |
Henry Kenneth Cassidy (September 14, 1893 – April 2, 1963) was an American college football and college basketball coach. He served as the 11th head football at Fairmount College—now known as Wichita State University—in Wichita, Kansas and he that position for the 1919 season, comping a record of 2–6–2.[1] Cassidy was also the head basketball coach at Fairmount for one season, in 1919–20, tallying a mark of 8–8.
Cassidy was an alumnus of Fairmount College and Ottawa University.[2] He served in France as a United States Army infantry officer during World War I. Cassidy died on April 2, 1963, at Palomar Memorial Hospital California in Escondido, California.[3]