TDHS

TDHS may refer to:


 * Temple De Hirsch Sinai, a Reform Jewish community with temples in Seattle and Bellevue, Washington
 * The Dalles High School, The Dalles, Oregon
 * Thomas Dale High School, Chester, Virginia
 * Thomas Downey High School, Modesto, California
 * Tilbury District High School, Tilbury, Ontario, Canada
 * Time-domain harmonic scaling, an audio engineering technique