- DP1 stands for Draft Priority One (Australia and UK)
- DP1 stands for Dorsal Protein 1
- DP1 stands for DRTF1 (Database of Rice Transcription Factor)-Polypeptide-1 (DNA encoding)
- DP1 stands for Defect-Specific Plaque (periodontology)
- DP1 stands for Data Processing Technician First Class (Naval Rating)
DP1