| 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 | Datasheet |
| Datasheet (Warhammer 40,000) | Datasheets | Datasheets.com |
| Dataskil | Datasoft | Datasoft Inc |
| Datasoft, Inc. | Datasource | Dataspace |
| Dataspaces | Dataspaces and Hiperspaces | Datasphere |
| DataSpii | Datassette | DataStage |
