TRS may refer to any of the following:
1. Alternatively referred to as Relay Service or IP-Relay, TRS (Telecommunications Relay Service) is a service which helps vision or speaking impaired people communicate.
2. Short for Tandy Radio Shack, see the Tandy company contact information for further information about this company.
3. TRS is a computer file extension used with MicroGraphix.
4. TRS is a description of a type of phone connector.