| Demicks Lake-Cherry Creek Pipeline Project | WBI Energy Transmission, Inc. | ND | In service 2019 | |
| Denali - the Alaska Gas Pipeline PF08-26 | DENALI - THE ALASKA GAS PIPELINE LLC | | | |
| Dennis Hart Pipeline | HG Energy, LLC | WV | | |
| Dentville Compressor Station | | | In service 2015 | |
| Derry Compressor Station | Eqt Gathering, LLC | PA | | |
| Des Moines B-line Loop Project | Northern Natural Gas Company | IA | Started 2017 | |
| Desert Southwest Expansion Project | Transwestern Pipeline Company, LLC | AZ, NM | | |
| Destin Compressor Station | | | In service 2009 | |
| Destin Corridor | Destin Pipeline Company, Inc. | MS | In service 1998 | |
| Destin Pipeline CP10-501 | Destin Pipeline Company, Inc. | MS | | |
| Destin Pipeline CP98-6 | Destin Pipeline Company, Inc. | AL | | |
| Determination Regarding Applicability of Pre-Filing Procedures for Noble Gas Project | Freeport LNG Development, L.P. | | | |
| Detroit Access Pipeline Project | | MI | In service 2017 | |
| Devon Energy coastal use permit P20061309 pipeline | Devon Energy Corp | LA | | |
| Devon Louisiana coastal use permit P19961056 pipeline | Devon Louisiana Corporation | LA | | |
| Devon Louisiana coastal use permit P19961144 pipeline | Devon Louisiana Corporation | LA | | |
| Devon Louisiana coastal use permit P19970590 pipeline | Devon Louisiana Corporation | LA | | |
| Diamond Mountain Compressor Station Proj | Wyoming Interstate Company, L.L.C. | UT | 2010 | |
| Diamond Pipeline | Plains All American Pipeline | OK, AR, TN | 2016–2017 | |
| Dickinson Bypass Reroute - Stark | Bakken Oil Express, LLC | ND | Started 2016 | |
| Dig 12720 Project | Texas Eastern Transmission, LP | WV | | |
| Dimension Energy coastal use permit P20110877 pipeline | Dimension Energy Company, LLC | LA | | |
| Discovery 18-Inch Pipeline at PAC Project | Discovery Gas Transmission LLC | LA | | |
| Discovery Gas Transmission coastal use permit P19960230 pipeline | Discovery Gas Transmission LLC | LA | | |
| Discovery Gas Transmission coastal use permit P20031069 pipeline | Discovery Gas Transmission LLC | LA | | |
| Discovery Gas Transmission coastal use permit P20031079 pipeline | Discovery Gas Transmission LLC | LA | | |
| Discovery Gas Transmission coastal use permit P20070488 pipeline | Discovery Gas Transmission LLC | LA | Started 2009 | |
| Discovery Gas Transmission coastal use permit P20130956 pipeline | Discovery Gas Transmission LLC | LA | | |
| Discovery Gas Transmission coastal use permit P20131522 pipeline | Discovery Gas Transmission LLC | LA | | |
| Discovery Gas Transmission coastal use permit P20190702 pipeline | Discovery Gas Transmission LLC | LA | | |