Travel Service may refer to a travel agency or:

Governmental Agencies United States Travel Service, a defunct part of the United States Department of Commerce

Specific travel agencies

Canadian Universities Travel Service, a travel agency in Canada China Travel Service, the tourism and travel agency of the government of the People's Republic of China Cuba Travel Services, a tour and charter operator serving Cuba from the United States Dnata Travel Services, a travel agency in Dubai, United Arab Emirates Hong Thai Travel Services, a travel agency in Hong Kong, China

Airlines Travel Service (airline), an airline headquartered in the Czech Republic Travel Service (Hungary) Travel Service (Slovakia) Travel Service Polska

Bus operators

Borehamwood Travel Services now London Sovereign, a bus operator in London, England Busways Travel Services, a former bus operator in the north east of England Durham Travel Services, a former bus operator in London, England Trathens Travel Services now Park's Motor Group, a bus operator in central Scotland