| Datagrid | DataGrid | DataGrip |
| DataGuard | DataGueule | Datah Dawai Airport |
| Datah Dian, Kapuas Hulu | DataHand | Datahand |
| Datahaven | Datahoarder | Datahoarders |
| Datai | Datai Langkawi | Datai Subdistrict |
| Datai yingliangis | Dataiku | Dataindustrier AB |
| Datainspektionen | Dataism | DATAIX |
| Dataix | Datajack | Datajournalism |
| Datakhel | DataKind | Datakit |
| Datakortet | Datal Anggas, Alabel | Datala |
| Datalake | Dataless classification | Datalex |
| Datalight | Datalight C | Datalight DOS |
| Datalight DOS 6.22 | Datalight DOS 7.1 | Datalight Optimum-C |
| Datalight ROM-DOS | Datalight ROM-DOS 6.22 | Datalight ROM-DOS 7.1 |
| Datalight, Inc. | Datalink | Datalink (disambiguation) |
| Datalink layer | DataLink University College | Datalink university college |
| Datalist | DATAllegro | Datalog |
| Datalogger | Datalogic | Datalogic Corporation |
| Datalogic S.p.A. | Datalogics | Datalogisk Institut, Københavns Universitet |
| Datalogisk Institut, Kobenhavns Universitet | Datalogix | Datalogy |
| DatalogZ | Datalore | Datalore (Star Trek: The Next Generation) |
| Datalore (TNG episode) | DataLounge | Datam Polystar |
| Datam Polystar Co, Ltd. | DataMaker | Dataman |
| DataMapper | Datamapper | Datamapper (Ruby) |
| DataMapper (Ruby) | DataMarket | Datamart |
| DataMart | Datamaster | DataMaster |
| DataMaster (Autometric) | Datamaster (database management system) | Datamaster (disambiguation) |
| DataMaster (disambiguation) | Datamaster (IBM) | DATAmatic 1000 |
| Datamatic D-1000 | Datamatics | Datamatics Global Services |
| Datamatics Global Services Ltd | Datamation | Datamatrix |
| DataMatrix | Datamatrix code | Datamax UV-1 |
| DataMeet | Datames | Datames (insect) |
| Datames guangxiensis | Datames mouhotii | Dataminae |
| Datamine | Datamini | Datamining |
| Dataminr | DataMirror | Datamirror |
| Datamodel | Datamodeling | Datamodels |
| DataMonitor | Datamonitor | Datamosh |
| Datamoshing | Datamost | DataMost |
| DataMotion | DataMotion, Inc. | Datamyne |
| Datan | Datan (disambiguation) | Datana |
| Datana angusii | Datana chiriquensis | Datana contracta |
| Datana diffidens | Datana drexelii | Datana integerrima |
| Datana major | Datana ministra | Datana modesta |
| Datana neomexicana | Datana perspicua | Datana ranaeceps |
| Datana robusta | Datana ruficollis | Datanal |
| Datanet | DataNet | DATANET-30 |
| Datanet-30 | Datanetics | DataNeutrality |
| Datang | Datang (disambiguation) | Datang Group |
| Datang International Power | Datang International Power Generation | Datang International Power Generation Co., Ltd. |
| Datang International Power Generation Company | Datang Intl Power | Datang Mobile |
| Datang Power | Datang Station | Datang station |
| Datang station (Changsha Metro) | Datang station (disambiguation) | Datang station (Guangzhou Metro) |
| Datang Subdistrict | Datang Subdistrict, Guangzhou | Datang Telecom |
| Datang Telecom Group | Datang Telecom Technology | Datang Town |
| Datang town (Chengdu Datang) | Datang Town (disambiguation) | Datang Township |
| Datang Youxia Zhuan | Datang, Pujiang County | Datang, Pujiang County, Sichuan |
| Datang, Sichuan | Datang, Zhuji | Datanga |
| Datanga minor | Datanglong | Datangpu |
| Datangshan | Datano | Datanoides approximans |
| Datanoides fasciata | Datanoides fasciatus | Datanomic |
| Datansha | Datansha Island | Datansha South Station |
| Datansha Station | Datanucleus | DataNucleus |
| Datanyze | Dataon | DataOne |
| DataONE | Dataone | Dataone (disambiguation) |
| DataOps | Dataops | DATAPAC |
| Datapac | Datapac 3101 | Datapac 3201 |
| Datapac Multiuser DOS | Datapac System Manager | Datapac System Manager 7 |
| Datapackets | Datapanik in the Year Zero | Datapanik in the Year Zero (EP) |
| Datapanik in year zero | Datapanik in Year Zero | Datapanik in Year Zero (EP) |
| Dataparallel C | Dataparallel-C | Datapath |
| DataPerfect | Dataphone | Dataphor |
| Dataphyte | DataPilot (OpenOffice.org) | Datapipe |
| DataPipe | DataPlay | Dataplay |
| Dataplex | Dataplot | DataPlow SAN File System |
| Datapoint | Datapoint 2200 | Datapoint 3300 |
| Datapoint Corp | Datapoint Corp. | Datapoint Corporation |
| Datapoint UK | Datapoint's Advanced Systems Language | DataPoint, Inc |
| Datapol GmbH | DataPower | Dataprev |
| Datapro Information Services | Datapro Research Corporation | Dataprobe |
| Dataproducts | Dataquest | Dataquest India |
| DATAR | Datar | DATAR (disambiguation) |
| Datar (disambiguation) | Datar Kaur | Datar, Cilacap |
| Datar, Dayeuhluhur | Datar, Indonesia | Datar-Mathews Method for Real Option Valuation |
| Datar-Mathews method for real option valuation | DaTara | Datarails |
| DataRails | Dataram | Dataram Corporation |
| Dataran Bandaraya Johor Bahru | Dataran Merdeka | Dataran Pahlawan Malacca Megamall |
| Dataran Pahlawan Melaka Megamall | Dataran Prima LRT Station | Dataran Prima LRT station |
| Dataran Prima station | DataRank | Datar–Mathews method for real option valuation |
| DataReader | Dataria | Dataria Apostolica |
| Datario | Datarius | Datarock |
| Datarock California EP | Datarock Datarock | Dataroom |
| Datarpur | Datarpur State | DataRush Technology |
| Datary | Datas | Datas Day |
| Datasaab | DataSAAB | Datasaab D2 |
| Datasaabs Vaenner | Datasaabs Vanner | Datasaabs Vänner |
| DataSage | Datasage | Datasat |
| Datasat Digital Entertainment | Datasaurus dozen | DataScene |
| Datascope Analytics | Datascrub | Dataseni |
| DataSeT | Dataset | Dataset (machine learning) |
| Datasets.load | Datasette | Datasettes |
