| Solanum hastatum Sendtn., 1846 |
| Solanum hazenii Britton, 1922 |
| Solanum hernandesii Moc. & Sessé ex Dunal, 1852 |
| Solanum heteroclitum Sendtn., 1846 |
| Solanum hirsutissimum Standl., 1927 |
| Solanum hirsutum Nutt., 1834 |
| Solanum hoffmannii Standl. & C.V. Morton, 1938 |
| Solanum hondurense C.V. Morton, 1940 |
| Solanum houstonii Martyn, 1807 |
| Solanum huastecanum Lundell, 1942 |
| Solanum huitlanum Brandegee, 1915 |
| Solanum hygrophilum Schltdl., 1833 |
| Solanum hypoleucum (Standl.) C.V. Morton, 1940 |
| Solanum inconspicuum Bitter, 1912 |
| Solanum inscendens Rydb., 1924 |
| Solanum interius Rydb., 1905 |
| Solanum isthmicum Bitter, 1912 |
| Solanum jaliscanum Greenm., 1899 |
| Solanum jasminoides Paxton, 1841 |
| Solanum karstenii Klotzsch, 1853 |