TDM

TDM may refer to:

• Target Disk Mode, a boot mode on certain Macs
• TDM (Macau) or Teledifusão de Macau (Portuguese for "Television of Macau"), one of the major television stations in Macau, China
• Telecomunicações de Moçambique (Portuguese for "Mozambique Telecoms"), a telecom operator
• Teresian Daughters of Mary, a diocesan religious institute of women in Davao City under the protection of the archbishop of the Roman Catholic Archdiocese of Davao
• The Difference Machine, an album by Big Big Train
• Therapeutic drug monitoring, a branch of clinical chemistry
• Time-division multiplexing, a method of transmitting and receiving independent signals over a common signal path
• Toad Data Modeler, database design tool
• Transportation demand management, also traffic demand management or travel demand management
• Yamaha TDM, a motorcycle