| Justicia superba hort. ex Nees, 1847 |
| Justicia tabascina T.F. Daniel, 1990 |
| Justicia teletheca T.F. Daniel, 1995 |
| Justicia tenera (Turrill) D.N. Gibson, 1972 |
| Justicia tianguensis T.F. Daniel, 1995 |
| Justicia tinctoriella Bennett Raizada, 1983 |
| Justicia torresii T.F. Daniel, 1993 |
| Justicia tuerckheimiana Donn. Sm., 1909 |
| Justicia turipachensis T.F. Daniel, 1995 |
| Justicia turneri Hilsenb., 1990 |
| Justicia tuxtlensis T.F. Daniel, 2002 |
| Justicia umbrosa (Nees) Lindau, 1894 |
| Justicia uxpanapensis T.F. Daniel, 2002 |
| Justicia valvata T.F. Daniel, 1993 |
| Justicia veracruzana T.F. Daniel, 2002 |
| Justicia vitzliputzli Lindau, 1904 |
| Justicia warnockii B.L. Turner, 1951 |
| Justicia wendtii T.F. Daniel, 1999 |
| Justicia wigginsii Leonard, 1942 |
| Justicia zamudioi T.F. Daniel, 2003 |