| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 981 | Pepillo | Spanish | Spanish form of Joseph 'He shall add'. | M | |
| 982 | Pepita | Spanish | Spanish feminine form of Joseph: He (God) shall add. | F | |
| 983 | Perfecta | Spanish | Perfect. | F | |
| 984 | Pia | Spanish | Pious. | F | |
| 985 | Pilar | Spanish | Pillar. | F | |
| 986 | Pirro | Spanish | Red haired. | M | |
| 987 | Placida | Spanish | Tranquil. | F | |
| 988 | Placido | Spanish | Tranquil. | M | |
| 989 | Platon | Spanish | Broad shouldered. | M | |
| 990 | Ponce | Spanish | Born fifth. | M | |
| 991 | Porfirio | Spanish | Purple. | M | |
| 992 | Porfiro | Spanish | Purple. | M | |
| 993 | Primavera | Spanish | Springtime. | F | |
| 994 | Primeiro | Spanish | Born first. | M | |
| 995 | Prospero | Spanish | Wealthy. | M | |
| 996 | Prudencia | Spanish | Prudent. | F | |
| 997 | Puebla | Spanish | From the city. | F | |
| 998 | Pueblo | Spanish | From the city. | M | |
| 999 | Pura | Spanish | Pure. | F | |
| 1000 | Pureza | Spanish | Pure. | F | |