| Solanum (Solanum) umbelliferum var. clokeyi (Munz) D.J. Keil, 2018 |
| Solanum (Solanum) vallis-mexici Juz., 1937 |
| Solanum (Solanum) verrucosum Schltdl., 1839 |
| Solanum (Solanum) verrucosum var. iopetalum Bitter, 1912 |
| Solanum (Solanum) verrucosum var. spectabile Correll, 1952 |
| Solanum (Solanum) wallacei (A. Gray) Parish, 1901 |
| Solanum (Solanum) wallacei subsp. clokeyi (Munz) McMinn, 1939 |
| Solanum (Solanum) xanti A. Gray, 1876 |
| Solanum ajuscoense Bukasov ex Rybin, 1929 |
| Solanum aligerum Schltdl., 1847 |
| Solanum allogonum Bernh., 1833 |
| Solanum alpicum Standl. & Steyerm., 1947 |
| Solanum amatitlanense J.M. Coult. & Donn. Sm., 1904 |
| Solanum amazonium Ker Gawl., 1815 |
| Solanum amictum Moric. ex Dunal, 1852 |
| Solanum anacanthum Dunal, 1852 |
| Solanum andrieuxi Dunal, 1852 |
| Solanum antillarum O.E. Schulz, 1909 |
| Solanum antipovichi Bukasov ex Rybin, 1929 |
| Solanum antipovichi var. neoantipovichii (Bukasov) Hawkes, 1944 |