Tris (disambiguation)

Tris or TRIS may refer to:

Chemicals

 * Tris(hydroxymethyl) aminomethane, a biochemical buffer
 * Tris(2-chloroethyl) phosphate, a flame retardant
 * Tris(2,3-dibromopropyl) phosphate, a flame retardant

People

 * Tris Speaker, a baseball player
 * Tris Prior, a character in the Divergent book series and its film adaptations

Other uses

 * TRIS online, a former bibliographic database created by U.S. Department of Transportation Research Information Services online
 * TRIS, the ICAO type designator for the Britten-Norman Trislander
 * TRIS (Technical Regulations Information System), EU information system on planned technical regulations