Gallows Hill - An area of the Trinity College Campus where public executions took place during the 18th century.
Gallows Hill Bookstore - A campus bookstore operated by Barnes and Noble in Hallden Hall.
Gate Posts - Two brownstone pillars on Vernon Street across from the Cornelia Center.
Gates Quad - The quad between Mather Hall, Hallden Hall, Austin Arts, and the Library.
George A. Kellner Squash Courts - Trinity's premier squash courts, located in the Ferris Athletic Center.
Tom Gerety - 17th President of Trinity College, from 1989 to 1994.
Global Learning Sites - International sites for students to study abroad.
Golf - Trinity's golf team, which was organized in 1908.
Daniel Raynes Goodwin - 5th President of Trinity College, from 1853 to June 3, 1860.
Goodwin-Woodward Hall - Student dormitory located on the south side of the Long Walk between the Clement Chemistry Building and Cook Hall.
Graham Guard - Student military group formed during the Civil War.
Grand Tribunal - An undergraduate hazing ritual consisting of an upperclassmen mock court trial.
Greek Life - Greek letter organizations, dating back to Trinity's early days.
Gruss Music Center - One of Trinity's arts venues, a gift from Josh Gruss '96.
Guild of the Holy Trinity - A branch of the Brotherhood of the Holy Cross organized in 1870.
Gymnasium - Trinity's longstanding Alumni Hall (1887-1967).
Old Gymnasium - Trinity's first gymnasium (1871-1896).