- DLO stands for Digital Lifestyle Outfitters (Charleston, SC)
- DLO stands for Dead Letter Office
- DLO stands for Defence Logistics Organisation
- DLO stands for Desktop and Laptop Option (Symantec backup products)
- DLO stands for Document Library Object (computing)
- DLO stands for Dienst Landbouwkundig Onderzoek (Netherlands)
- DLO stands for Direct Labour Organisation (UK; local authority trading departments)
- DLO stands for Day Light Opening
- DLO stands for Departmental Liaison Officer
- DLO stands for Data Line Occupied
- DLO stands for Double Layout (gymnastics)
- DLO stands for Defense Liaison Office
- DLO stands for Difference of Longitude
- DLO stands for District Legal Office (US Navy)
- DLO stands for Diploma in Otorhinolaryngology
- DLO stands for Data Link Occupied
- DLO stands for Defense Law & Order
- DLO stands for Diesel Lubricating Oil Service and Transfer
- DLO stands for Disclosed Limit Order (stock market)
- DLO stands for Dienst Lichamelijke Opvoeding (Dutch)
- DLO stands for Desired Learning Objective
- DLO stands for Division de Logistique Opérationnelle (French: Division of Logistical Operations)
- DLO stands for Detachment Liaison Officer
- DLO stands for Données Logistiques Optimisées (French: Optimized Logistics Data)
- DLO stands for Deck Low
- DLO stands for Domestic Light Orchestra (England, UK)
DLO