Terr

Terr. or TERR may refer to: People with the surname Terr include:
 * Abbreviation for territory (subdivision)
 * TIBCO Enterprise Runtime for R, a runtime engine for the R programming language developed by TIBCO Software
 * short for terrorist, used by white Rhodesians for the insurgents during the Rhodesian Bush War
 * Lenore Terr (born 1936), an American psychiatrist