| Session: | 20th |
| Start: | 1993 |
| End: | 1997 |
| President: | Roberto Rexach Benítez |
| Pro Tempore: | Nicolás Nogueras (1993-1995) Luisa Lebrón (1995-1996) |
| Minority Leader: | Miguel A. Hernandez Agosto (PPD) |
| Minority Leader2: | Rubén Berríos Martinez (PIP) |
| Seats: | 29 |
| Non Officers: | 2 |
| Party1: | PNP |
| Party2: | PPD |
| Party3: | PIP |
| Majority: | PNP |
| Legislature: | 12th |
| Lower House: | 24th |
| Session1: | 1st |
| Session1start: | January 14, 1993 |
| Session1end: | January 12, 1994 |
| Session2: | 2nd |
| Session2start: | January 13, 1994 |
| Session2end: | January 11, 1995 |
| Session3: | 3rd |
| Session3start: | January 12, 1995 |
| Session3end: | January 10, 1996 |
| Session4: | 4th |
| Session4start: | January 11, 1996 |
| Session4end: | January 1, 1997 |
| Previous: | 19th |
| Next: | 21st |
The 20th Senate of Puerto Rico was the upper house of the 12th Legislative Assembly of Puerto Rico that met from January 2, 1993, to January 1, 1997. All members were elected in the General Elections of 1992. The Senate had a majority of members from the New Progressive Party (PNP).
The body is counterparted by the 24th House of Representatives of Puerto Rico in the lower house.
| Position | Name | Party | District | ||
|---|---|---|---|---|---|
| PNP | At-Large | ||||
| PNP | At-Large | ||||
| PNP | |||||
| PNP | |||||
| PPD | |||||
| PPD |
| width=10 | District ! | Name | Party | |
|---|---|---|---|---|
| I - San Juan | Oreste Ramos | PNP | ||
| Rolando Silva | PNP | |||
| II - Bayamón | Aníbal Marrero Pérez | PNP | ||
| Héctor O'Neill | PNP | |||
| III - Arecibo | Norma Carranza | PNP | ||
| Víctor Marrero Padilla | PNP | |||
| nowrap rowspan=2 | IV - Mayagüez-Aguadilla | Antonio Fas Alzamora | PPD | |
| Rafael Rodríguez González | PNP | |||
| V - Ponce | Eddie Zavala | PNP | ||
| Dennis Vélez Barlucea | PNP | |||
| VI - Guayama | José Enrique Meléndez | PNP | ||
| Cirilo Tirado Delgado | PPD | |||
| VII - Humacao | Miguel A. Loíz | PNP | ||
| Luis Felipe Navas | PNP | |||
| VIII - Carolina | Roger Iglesias | PNP | ||
| Luisa Lebrón | PNP | |||
| At-Large | PPD | |||
| PIP | ||||
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