Lomfjordhalvøya is a peninsula at the northeastern part of Ny-Friesland on Spitsbergen, Svalbard. It is located between Lomfjorden and Hinlopen Strait. Former names of the peninsula include Terre Margareta and Margaretas Land. The peninsula is covered by two glaciers, Balderfonna and Torsfonna. It also includes the large nesting cliffs of Lovénberget.
Coordinates: 79°29′N 18°23′E / 79.49°N 18.39°E