Lomfjordhalvøya is a peninsula at the northeastern part of Ny-Friesland on Spitsbergen, Svalbard.
Its northern tip is Kapp Fanshawe.
[1] The peninsula is covered by two glaciers, Balderfonna and Torsfonna.
It also includes the large nesting cliffs of Lovénberget.
[2] The peninsula falls within the Nordaust-Svalbard Nature Reserve.