| Countess Caroline Felizitas of Leiningen-Dagsburg | |
| Noble Family: | House of Leiningen |
| Father: | Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg |
| Mother: | Katharina Polyxena of Solms-Rödelheim-Assenheim |
| Spouse: | Charles William, Prince of Nassau-Usingen |
| Issue: | Caroline, Landgravine of Hesse-Kassel |
| Birth Place: | Heidesheim |
| Death Place: | Frankfurt |
Caroline Felizitas of Leiningen-Dagsburg-Falkenburg (22 May 1734 - 8 May 1810) was a German Imperial countess. By birth, she was member of the House of Leiningen and by marriage member of the House of Nassau.
She was born in Heidesheim, as the youngest daughter of Count Christian Karl Reinhard of Leiningen-Dagsburg-Falkenburg and his wife, Countess Katherina Polyxena of Solms-Rödelheim and Assenheim (1702-1765).
She married Charles William, Prince of Nassau-Usingen, son of Charles, Prince of Nassau-Usingen and Princess Christiane Wilhelmine of Saxe-Eisenach, on 16 April 1760.
They had four children:
Caroline died in Frankfurt.