1991 Holidays and Events in Puerto Rico, Puerto Rico (USA Territory)
| Additional Information | Date | Name |
|---|---|---|
| 1/1/1991, Tue | New Year's Day | |
| 1/6/1991, Sun | Epiphany | |
| 1/14/1991, Mon | Hostos' Birthday | |
| 1/21/1991, Mon | Martin Luther King, Jr.'s Birthday | |
| 2/18/1991, Mon | President's Day | |
| 3/22/1991, Fri | Emancipation Day | |
| 3/24/1991, Sun | Palm Sunday | |
| 3/29/1991, Fri | Good Friday | |
| 3/31/1991, Sun | Easter | |
| 4/15/1991, Mon | De Diego's Birthday | |
| 5/12/1991, Sun | Mother's Day | |
| 5/27/1991, Mon | Memorial Day | |
| 6/16/1991, Sun | Father's Day | |
| 7/4/1991, Thu | Independence Day | |
| 7/25/1991, Thu | Constitution Day | |
| 7/27/1991, Sat | Barbosa's Birthday | |
| 9/2/1991, Mon | Labor Day / Santiago Iglesias Pantin's Birthday | |
| 10/12/1991, Sat | Columbus Day | |
| 11/11/1991, Mon | Veteran's Day | |
| 11/19/1991, Tue | Discovery of Puerto Rico | |
| 11/28/1991, Thu | Thanksgiving Day | |
| 11/29/1991, Fri | Thanksgiving Holiday | |
| 12/24/1991, Tue | Christmas Eve | |
| 12/25/1991, Wed | Christmas Day | |
| 12/31/1991, Tue | New Year's Eve |