| Phaseolus rufus Jacq., 1770 |
| Phaseolus saccharatus Stokes, 1812 |
| Phaseolus saccharatus Macfad., 1837 |
| Phaseolus saccharatus Moench, 1794 |
| Phaseolus salicifolius Piper, 1926 |
| Phaseolus sanctorum M.E. Jones, 1929 |
| Phaseolus saponaceus Savi, 1825 |
| Phaseolus savannarum Britton & P. Wilson, 1920 |
| Phaseolus scabrellus Benth. ex S. Watson, 1882 |
| Phaseolus schaffneri Piper, 1926 |
| Phaseolus schiedeanus Schltdl., 1838 |
| Phaseolus schottii Benth., 1837 |
| Phaseolus scolecocarpus Piper, 1926 |
| Phaseolus scrobiculatifolius Freytag, 2002 |
| Phaseolus seleri Harms, 1921 |
| Phaseolus sempervirens Piper, 1926 |
| Phaseolus sonorensis Standl., 1940 |
| Phaseolus speciosus Kunth, 1824 |
| Phaseolus speciosus Bojer ex Benth., 1837 |
| Phaseolus spectabilis Standl., 1914 |