| Henry Frederick Barrett | |
| Nationality: | British |
| Birth Date: | 30 December 1879 |
| Sport: | Athletics |
| Event: | Long-distance running |
| Pb: | Marathon 2:42:31 (Poly, 1990) |
Henry Frederick Barrett (30 December 1879 – 18 December 1927) was a British long-distance runner who on 8 May 1909 set a world's best in only his second marathon with a time of 2:42:31 at the Polytechnic Marathon. Barrett failed to finish the men's marathon at the 1908 Summer Olympics and 1912 Summer Olympics.[1]
Barrett was an electrician from Hounslow.[2]