| Heliocephala triseptata Heredia, R. F. Castañeda & Unter., 2011 |
| Hemibeltrania Piroz., 1963 |
| Hemibeltrania cinnamomi (Deighton) Piroz., 1963 |
| Hemileia Berk. & Broome, 1869 |
| Hemileia vastatrix Berk. & Broome, 1869 |
| Henicospora P. M. Kirk & B. Sutton, 1980 |
| Henicospora minor P. M. Kirk & B. Sutton, 1980 |
| Hermatomyces Speg., 1910 |
| Hermatomyces amphisporus R.F. Castañeda & Heredia, 2000 |
| Hermatomyces sphaericus (Sacc.) S. Hughes, 1953 |
| Hermatomyces tucumanensis Speg., 1911 |
| Heterocyphelium Vain., 1927 |
| Heterocyphelium leucampyx (Tuck.) Vain., 1927 |
| Heteroradulum Lloyd ex Spirin & Malysheva, 2017 |
| Heteroradulum adnatum Spirin & Malysheva, 2017 |
| Heteroradulum lividofuscum (Pat.) Spirin & Malysheva, 2017 |
| Hobsonia Berk. ex Massee, 1891 |
| Hobsonia mirabilis (Peck) Linder, 1929 |
| Humidophila Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bert. & Kopalová, 2014 |
| Humidophila contenta (Grunow) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bert. & Kopalová, 2014 |