Trigrad Gap (Trigradska Sedlovina \tri-'grad-ska se-dlo-vi-'na\) is a saddle of 500 m height in the Delchev Ridge in the Tangra Mountains of eastern Livingston Island in the South Shetland Islands, Antarctica. The gap is bounded to the southwest by Spartacus Peak and to the northeast by Yavorov Peak. The feature is named after the Bulgarian village of Trigrad.
The midpoint of the gap is located at .
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.