| Floyd Daniel Hargiss | |
| Birth Date: | 28 September 1889 |
| Birth Place: | Crawford, Kansas, U.S. |
| Death Place: | Seattle, Washington, U.S. |
| Coach Sport1: | Football |
| Coach Years2: | 1912 |
| Coach Team2: | Ottawa (KS) |
| Coach Sport3: | Basketball |
| Coach Years4: | 1912–1913 |
| Coach Team4: | Ottawa (KS) |
| Overall Record: | 1–5 (football) |
Floyd Daniel "Bob" Hargiss (September 28, 1889 – August 19, 1972) was an American college football and college basketball coach. He served as the head football coach at Ottawa University in Ottawa, Kansas for one season, in 1912, compiling a record of 1–5.[1] Hargiss was the brother of Homer Woodson Hargiss.[2]
Hargiss died on August 19, 1972, in Seattle. He had suffered a heart attack three weeks prior.[3]