| Floyd Daniel Hargiss | |
| Birth Date: | 28 September 1890 |
| Birth Place: | Cherokee County, Kansas, U.S. |
| Coach Sport1: | Football |
| Coach Years2: | 1912 |
| Coach Team2: | Ottawa |
| Coach Sport3: | Basketball |
| Coach Years4: | 1912–1913 |
| Coach Team4: | Ottawa |
| Overall Record: | 1–5 (football) |
Floyd Daniel Hargiss (September 28, 1890 – August 27, 1974) was an American football coach. He was the sixth head football coach at Ottawa University in Ottawa, Kansas and he held that position for the 1912 season. His coaching record at Ottawa was 1–5.[1] Hargiss was the brother of Homer Woodson Hargiss.[2]