| ACRONYM | FULL WORDING | COMMENT |
| D | Day(s) | In chartering business : 24 consecutive hours |
| DA, D/A | Disbursements Account | |
| DAP | Days for All Purposes | i.e. days allowed for both loading and discharging A sole time-sheet will be drawn up for the whole |
| DD | Dated | |
| DD | Dry Dock | |
| DEL, DELY, DLY | Delivery | Used under Time Charterparty |
| DEMDES | Demurrage/ Despatch Money | |
| DES, DESP | Despatch Money | |
| DHDATSBE | Demurrage/Half Despatch on All Time Saved at Both Ends | |
| DHDATSDO | Demurrage/Half Despatch on All Time Saved at Both Ends at Discharge Only | |
| DHDATSLO | Demurrage/Half Despatch on Working Time Saved at Both Ends at Loading Only | |
| DHDWTSBE | Demurrage/Half Despatch on Working Time Saved at Both Ends | |
| DHDWTSDO | Demurrage/Half Despatch on Working Time Saved at Both Ends at Discharge Only | |
| DHDWTSLO | Demurrage/Half Despatch on Working Time Saved at Both Ends at Loading Only | |
| DISCH, DISCHPORT | Discharge - Discharging Port | |
| DK | Deck | |
| DN | Debit Note | |
| DO | Diesel Oil | (see MDO) |
| DOLSP | (Upon) Dropping of Last Sea Pilot | Used to specify the place and the time of the delivery or redelivery under a T/C DOLSP is more currently used than DLOSP which would be more coherent with DOP/DOSP : Dropping Last Outward Sea Pilot. |
| DOP | (Upon) Dropping Outward Pilot | Used to specify the place and the time of the delivery or redelivery under a T/C DOLSP is more currently used than DLOSP which would be more coherent with DOP/DOSP : Dropping Last Outward Sea Pilot. |
| DOSP | (Upon) Dropping Outward Sea Pilot | Used to specify the place and the time of the delivery or redelivery under a T/C DOLSP is more currently used than DLOSP which would be more coherent with DOP/DOSP : Dropping Last Outward Sea Pilot. |
| DW | Deadweight | Includes the weigt of fuel, water, provisions and constants on board |
| DWAT | Deadweight All Told | Includes the weigt of fuel, water, provisions and constants on board |
| DWCC | Deadweight Cargo Capacity | Excludes the weigh of fuel, water, provisions and constants on board |
| DYS | Days | In chartering business : 24 consecutive hours |